Extracted method getBranchesContaining() into GitClient to be used in Git plugin
Merge pull request #148 from pbaranchikov/getBranchesContaining

Extracted method getBranchesContaining() into GitClient to be used in Gi...
Merge remote-tracking branch 'upstream/master' into proto-jdk8

Conflicts:
	src/main/java/hudson/plugins/git/IGitAPI.java