Merge pull request #15 from BlueText/master

Bring in Jon's chat history changes
Update Request and Response objects
Merge pull request #16 from BlueText/master

Pull in Andrew's December changes
Update Request and Response more
Support for contact pictures on PC side
If the PC-Phone connection is broken, logout user and go back to login screen
Cleanup of MessageHost and TextMessageManager
Make MessageHost.closeHost() more solid.

- Clean up usage of the method
- Change the method to close out everything required, and null the
necessary variables inside the method.
Add documentation to some classes.
Change contact name
modifications
make variable a final
remove unused test button
give credit where due
resolve conflicts
Merges with upstream
Push up more merged content.
Merge branch 'master' of https://github.com/BlueText/bigsky into BlueText-master4

Conflicts:
	bigsky/src/bigsky/gui/Conversation.java
import ONE LINE
Merge pull request #50 from aguibert/master

Support for getting contact pictures from the phone; Cleanup how MessageHost gets destroyed; Added docs