diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 42f9be1..408c7cd 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -65,7 +65,7 @@
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-      "resolved": "http://registry.npmjs.org/ansi-regex/-/ansi-regex-0.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-0.2.1.tgz",
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@@ -182,7 +182,7 @@
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-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
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@@ -205,7 +205,7 @@
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-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
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@@ -395,7 +395,7 @@
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-          "resolved": "http://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
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@@ -414,7 +414,7 @@
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-          "resolved": "http://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
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@@ -506,7 +506,7 @@
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-      "resolved": "http://registry.npmjs.org/browserify/-/browserify-13.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/browserify/-/browserify-13.3.0.tgz",
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@@ -670,7 +670,7 @@
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@@ -812,7 +812,7 @@
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-      "resolved": "http://registry.npmjs.org/chokidar/-/chokidar-1.6.0.tgz",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-1.6.0.tgz",
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@@ -956,7 +956,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
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@@ -1331,18 +1331,32 @@
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-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.1.tgz",
-      "integrity": "sha512-BsXLz5sqX8OHcsh7CqBMztyXARmGQ3LWPtGjJi6DiJHq5C/qvi9P3OqgswKSDftbu8+IoI/QDTAm2fFnQ9SZSQ==",
+      "version": "6.5.4",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
       "dev": true,
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-        "brorand": "^1.0.1",
+        "bn.js": "^4.11.9",
+        "brorand": "^1.1.0",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0",
-        "minimalistic-crypto-utils": "^1.0.0"
+        "hmac-drbg": "^1.0.1",
+        "inherits": "^2.0.4",
+        "minimalistic-assert": "^1.0.1",
+        "minimalistic-crypto-utils": "^1.0.1"
+      },
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+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+          "dev": true
+        },
+        "inherits": {
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+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        }
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@@ -1469,7 +1483,7 @@
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-      "resolved": "http://registry.npmjs.org/events/-/events-1.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/events/-/events-1.1.1.tgz",
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@@ -1730,7 +1744,8 @@
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-          "dev": true
+          "dev": true,
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@@ -1751,12 +1766,14 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.1.11",
           "bundled": true,
           "dev": true,
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@@ -1771,17 +1788,20 @@
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-          "dev": true
+          "dev": true,
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           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.1.0",
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-          "dev": true
+          "dev": true,
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@@ -1898,7 +1918,8 @@
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           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -1910,6 +1931,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -1924,6 +1946,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -1931,12 +1954,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -1955,6 +1980,7 @@
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           "dev": true,
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@@ -2035,7 +2061,8 @@
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           "version": "1.0.1",
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+          "dev": true,
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@@ -2047,6 +2074,7 @@
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           "bundled": true,
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@@ -2132,7 +2160,8 @@
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           "version": "5.1.1",
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+          "dev": true,
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@@ -2168,6 +2197,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2187,6 +2217,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -2230,12 +2261,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
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@@ -2277,7 +2310,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-0.5.1.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-0.5.1.tgz",
           "integrity": "sha1-Zjs6ZItotV0EaQ1JFnqoN4WPIXQ=",
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@@ -2290,7 +2323,7 @@
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-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-0.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-0.3.0.tgz",
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@@ -3182,13 +3215,15 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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           "dev": true,
+          "optional": true,
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@@ -3274,7 +3309,7 @@
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-      "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
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@@ -3504,7 +3539,7 @@
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-      "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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-      "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
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@@ -4747,7 +4782,7 @@
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-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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@@ -5645,7 +5680,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
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@@ -5944,7 +5979,7 @@
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-          "resolved": "http://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
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@@ -5953,7 +5988,7 @@
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-          "resolved": "http://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
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