Started work on opus implementation. Lots of work ahead! Does not work
at all!
Spot more opus work.
Re-added support for speex/celt audio lib.
In-progress commit
Merge branch 'master' into opus
Work on native building.
Merge branch 'master' into opus

Conflicts:
	src/com/morlunk/mumbleclient/app/ServerInfo.java
Minor tweaks.
Major work on decoding opus, hackishly.
Improvements to multiple codec detection and handling.
Restructuring.
In-progress opus output code
Merge pull request #21 from Zuko/master

Updated Polish translation
Added delete confirmation dialog.
Initial work for pinging the server's info.
Possible crash fix for channel selection?
Added display of server info to server list.
Fixed update of server info on info change.
Crash fix with parceling.
More user chat fixes.