Fix some FBX loader problems

Fix exception when loading geometry without gui, fix loading nodes
without models (nested nodes)
Merge pull request #173 from GreenCubes/master

Fix some FBX loader problems
Updated JOGL canvas classes to fix shutdown bug. Also added frame rate
support.
- fix dist task in jme3-examples to not run at config time
SDK:
- update library references
SDK:
- Fix NiftyGUI editor build
- Attempt at making NiftyEditor work
SDK:
- add beansbinding.jar to nifty editor
SDK:
- update core baselibs project.xml
- add nifty style to nifty jar collection (should be moved to separate library entry at some point)
SDK:
- remove useless help entry
Fix glClear not working properly if the last rendered model disabled depth or color writing (fix issue #639 on google code)
Merge remote-tracking branch 'upstream/master'
Animator is stopped only if it is currently animating.
Merge pull request #174 from saloisio/master

Updated JOGL canvas classes to fix shutdown bug. Also added frame rate support.
Fix JDK6 compliance 

syntax error in TestInstanceNode
Merge pull request #17 from jMonkeyEngine/master

merge in jme3 goodies