Fixes inconsistent synchronization in RTPSourceStream which could lead to unexpected behavior. Enables debug output in the PortAudio binaries on Windows. Makes sure that failures to load the JNI counterparts of CoreAudioDevice will not break PortAudio and the software volume control. Fixes warnings.

git-svn-id: https://svn.java.net/svn/jitsi~svn/libjitsi@10452 198c5059-ef06-4ec0-9a75-fdd6b0ef00a6
All Metaswitch fixes to date
Fix build and add a gitignore file.
Bug 942 Selected microphone sometimes changes

Add extra diagnostics to help diagnose after repro
Remove media logging as it has been moved to jitsi