Implemented FORGE-862
Merge branch 'master' of http://github.com/forge/core into FORGE-862

Conflicts:
	maven-api/src/main/java/org/jboss/forge/maven/MavenPluginFacet.java
	project-model-maven-tests/src/test/java/org/jboss/forge/maven/facets/MavenPluginFacetManagedPluginTest.java
	project-model-maven/src/main/java/org/jboss/forge/maven/facets/MavenPluginFacetImpl.java
Implemented FORGE-862
Merge pull request #1 from salmon-charles/FORGE-862

Forge 862