- One can now shift time forward an backward in a cinematic with the setTime(float) method, all sub cinematic events support it except soundtrack (has to be implemented)
- Enhanced MotionPath calculation to allow time shifting, and made speed more constant
- changed test cases accordingly
- some more javadoc
- fixed some problems in GUITrack
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8913 75d07b2b-3a1a-0410-a2c5-0572b91ccdca