SDK:
- small improvements to ProjectAssetManager and different way to find project sources

git-svn-id: http://jmonkeyengine.googlecode.com/svn/trunk@10067 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
SDK:
- Add mother of all SDK features: Custom AppStates :O

git-svn-id: http://jmonkeyengine.googlecode.com/svn/trunk@10068 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
Fixed an error that caused NullPointerException to be raised if a curve had no taper object applied.

git-svn-id: http://jmonkeyengine.googlecode.com/svn/trunk@10069 75d07b2b-3a1a-0410-a2c5-0572b91ccdca