Reverts r18, as it causes problems

git-svn-id: https://fmj.svn.sourceforge.net/svnroot/fmj/fmj@20 799b4810-d841-4bb4-a54b-9156a0c3e4cd
Add gitignore file
Create jitter buffer at minimum configured size not hardcoded to 4 packets.
Start jitter buffer at 14 packets not 4.
Change Jitter Buffer minSize back to 4

14 causes terrible quality...
Add a simple(r) jitter buffer
Start using the new simpler jitter buffer
Improve logging in RTPSource stream.
- Don't have one log per stack trace line
- Include hash code of RTPSourceStream when stop, start or creating it.
Missed some changes from last commit
Some more logging changes
Correct logging of bad payload type
Tidy up RTPReceiver improving the logging and stopping it from complaining when the RTP payload type changes midstream
Merge branch 'master' of github.com:Metaswitch/fmj