Store OTR messages in memory.

Fixes issue #23.
adding transifex config
integrating Sherlock theming and remove tabs
Restore the Cancel Signin option on Accounts page.
Let the user choose the heartbeat interval.

This is also known as the ping frequency.

Fixes #196.
Properly close soft keyboard in landscape.
Restore the Cancel Signin option on Accounts page.
Let the user choose the heartbeat interval.

This is also known as the ping frequency.

Fixes #196.
Properly close soft keyboard in landscape.
more tweakes for ActionBarSherlock
set actionbar options for all menus
added nav list UI; made chat list primary UI;
ChatList as default; updated themeing;
updates/fixes for sherlock bugs

- finish()es chat list after contact selection
- contact list account actionbar dropdown works
- contact list search icon works
- new ICS/JB friendly status/notify icons
- new chat view lower actionbar layout
- empty chatlist message display
added Tibetan locale choice
removed dup search; added delivery icon back
fixing warning message layout size
Merge pull request #167 from devrandom/23-otr

Store OTR messages in memory.
Merge pull request #168 from n8fr8/sherlock

Sherlock
First pass Gitian build