Test if everything goes well when a peer leaves the group chat.
Fixed video packet assembling.

Video should look better now.
Having two buffers for audio isn't really good.
Make the maximum size of the jbuf at least 4 times the capacity.

Should prevent issues that might occur because a different thread is
reading it.
Increase video quality and distance between keyframes.
Fixed a memory leak
Fixed memory leaks.
Merge branch 'mem-leak-fix' of https://github.com/nurupo/InsertProjectNameHere