* Fix crash in TestWalkingChar
* Fix crash in TestDopper
* Fix crash in TestApplication
* Fix deprecation warnings in audio tests
* Fixed issues with particle emitter cloning and import/export
* Fixed TempVars crashes in BoundingSphere
* Fixed incorrect deprecation warning in AudioNode
* Added smart caching to materials
* Added test to verify that particle export and cloning is working correctly
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7907 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
