Merge pull request #6 from BlueText/master

Andy's request merge for sending history
Notification clean up
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
getting rid oh history gather text
Merge pull request #16 from jdmielke/Conversation-Chat

Conversation chat merge with master
Merge pull request #17 from BlueText/master

Andrew's stuff last weekend
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
me contact is now from database
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.
Merge pull request #18 from BlueText/master

Travis small merge
notification fixes
notification up to standards
To String Overrides
Merge remote-tracking branch 'upstream/master'