added chat topic under action bar
Merge branch 'chat_topic_below_action_bar'
Setting broadcast receivers to call activities on getting a push notif
Merge branch 'master' into vishals
Changing message intent strings to Constant..
Merge branch 'master' into hush_chatslist
Working push notifs
Merge branch 'master' into vishals

Conflicts:
	Hush/src/com/hush/activities/ChatWindowActivity.java
	Hush/src/com/hush/fragments/ChatListFragment.java
leave chat now removes user from chat
added alert dialog for leaving chat
Merge branch 'leave_chat'
send button disabled when there is no text
light formatting of the send button and text view on the chat window
customized message view
minor changes for the topic to look nice
Merge branch 'send_button_customized'
Returning view from message adapter instead of convertView to fix cell
message cells color coding issue