Add @Override annotation on GitStatus methods
Add @Override annotation on GitStatus methods

Make maintenance a little simpler by showing clearly which methods are
being overridden and which are not.

v1v/git-plugin,MarkEWaite/git-plugin,MarkEWaite/git-plugin,jacob-keller/git-plugin,jenkinsci/git-plugin,jenkinsci/git-plugin,MarkEWaite/git-plugin,martinda/git-plugin,MarkEWaite/git-plugin,v1v/git-plugin,jenkinsci/git-plugin,jacob-keller/git-plugin,martinda/git-plugin,martinda/git-plugin,jacob-keller/git-plugin,v1v/git-plugin,jenkinsci/git-plugin