Added more emoji / support for iOS6 emojis

- Inspired by this http://forum.xda-developers.com/showthread.php?t=2494038
Add font size to Message threads
Add Text Area Size preference

This commits add the ability to set the size of the editable
text are for composing messages.

Arbitrary Restrictions:
Min Limit - 2
Max Limit - 15

Change-Id: I3bfe341117fa15edfa43a3b6ca3342edb4638584
Signed-off-by: kecinzer <kecinzer@gmail.com>