The BT chat app previously used a custom title, which is no longer
supported in Honeycomb with the default theme. It also required the
option menu, which has been replaced with the action bar.
Fixed the app to use the standard Honeycomb style and action bar.
Bug: 3098795
Change-Id: I8f8656b261c6e15cc6b0b2f445087ff3baabb4d4
Read only the bytes received and don't allocate new arrays
Also revise the mechanism for writing the outgoing messages
to the screen to be more consistent with reading and
cleanup line lengths to be <100 chars.
