Merge pull request #108 from jannispinter/master

Updated German translation
Update channel list upon resuming activity. Fixes state errors.
Mechanics to improve channel awareness in larger servers.
Run service in foreground, preventing being killed.
Started work on service cleanup.
Improved fragment code.
Crash fixes and reimplementation of disconnect messages.
Service reconnect fix.
Updated ActionBarSherlock to latest revision.
Updated the rest of the project to account for ABS upgrade.
Improved disconnect handling.
Obliterated use of the service singleton.
Removed preference fragment, for now.
Fixed connection messages not being handled.
Massively improved stability of channel list code.
Stability fixes.
Update README.md
Retain user pane state after channel changes.
Enabled quick scrolling in channel list.
Reduced push to talk toggle interval. Switched back to old voice input mode.