some fixes and new demos
break things a bit
try to fix tests
tests fixed
playing with tweens
fix tweening in streaming demo
improve tweening when playing backwards and break tests
try to fix tests
fix right thing and restore old tests for synchronization
add some tests for synchronization and TODO list
fix seeking when paused
add synchronization tests for case when recording is played after seeking when it was paused
change names of signals to be consistent with HTML5 Media events specification