Fixed: NPE for friend with no location
Fixed: Edit Group EditText type; and launching new-group mode
Fixed: group post list layout now has the compose frame at the bottom and
fills the rest of the view with the post list
Display "hint" when Add Friend invoked without intent (i.e., when invoked
from the menu, display a hint about using Android Beam and/or clicking a
.ploggy link)
Only show navigation drawer hint once (per app process)
Edit Group action menu item in Group Posts view