* Updated to latest nifty gui
* Music player now uses duration property
* TestSerialization ported to new SM
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7520 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
* Reduced audio thread update from 100 fps to 20 fps (why was it 100 anyway??)
Result: Music stuttering dramatically reduced.
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7226 75d07b2b-3a1a-0410-a2c5-0572b91ccdca