sliding tabs and groups for info sessions, search in new activity
search graphics
Merge branch 'curtis' of https://github.com/cckroets/InfoSessions into curtis

Conflicts:
	infosessions/src/main/java/com/sixbynine/infosessions/home/InfoSessionListAdapter.java
	infosessions/src/main/java/com/sixbynine/infosessions/home/InfoSessionListFragment.java