Adding basic TargetGroupController and test
Updating reference to renamed spring class
Added view for groups
Merge branch 'alpha' into groups-page

Conflicts:
	webapp/src/main/java/org/metabuild/grobot/server/config/SecurityConfig.java
Adding create/update to groups - unfinished
simplifying navigation, refining ui
updating controller to accept update/delete for posts
Consolidated create/update form for groups

Also did some cleanup and improved the layout a bit
Adding links between bots and groups
Merge pull request #37 from johnburbridge/groups-page

Groups page