[maven-release-plugin] prepare for next development iteration

Author: jurgenvinju

pom.xml

@@ -3,12 +3,12 @@
 
     <groupId>org.rascalmpl</groupId>
     <artifactId>python-air</artifactId>
-    <version>0.0.9-RC1</version>
+    <version>0.0.9-RC2-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <scm>
         <developerConnection>scm:git:ssh://[email protected]/cwi-swat/python-air.git</developerConnection>
-      <tag>v0.0.9-RC1</tag>
+      <tag>HEAD</tag>
   </scm>
 
     <!-- dependency resolution configuration (usethesource) -->