Update setup and version for release 0.8.0

Author: PaulZhang12

setup.py

@@ -29,8 +29,8 @@ def _get_version():
     else:
         with open(os.path.join(ROOT_DIR, "version.txt"), "r") as f:
             version = f.readline().strip()
-        if sha is not None and "OFFICIAL_RELEASE" not in os.environ:
-            version += "+" + sha[:7]
+#        if sha is not None and "OFFICIAL_RELEASE" not in os.environ:
+#            version += "+" + sha[:7]
 
     if sha is None:
         sha = "Unknown"

version.txt

@@ -1 +1 @@
-0.8.0a0
+0.8.0