- add Filter Explorer for editig and previewing j3f files containting post filters (WIP, only FogFilter available atm) - add function to preview post filters in the sceneviewer
- add Filter Explorer for editig and previewing j3f files containting post filters (WIP, only FogFilter available atm)
- add function to preview post filters in the sceneviewer

git-svn-id: f9411aee4f13664f2fc428a5b3e824fe43a079a3@7706 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

jMonkeyEngine/sdk,jMonkeyEngine/sdk,jMonkeyEngine/sdk,jMonkeyEngine/sdk