add initial osgberkelium example
small fixes
add a new osgtriton example for easy-to-use Triton Ocean SDK integration
add osgperceptual example to make use of Intel Perceptual Computing SDK, but not finished
building and installation work fine
Added missing screen quad to RTT camera
Merge pull request #9 from kornerr/master

building and installation improvements
refresh the osgRecipes project
make osgagg example more practical
make osgvlc example more practical
make osgphysx3 example work with PhysX 3.3
add new osgsmartbody example but no content
From Émeric MASCHINO: fix to chapter9/osg_qt example
osgdb_ngp loader.

Creating an osgdb_ngp loader from existing ngp interface code.
Merge pull request #12 from XenonofArcticus/master

osgdb_ngp loader.
Fixed issue #13: errors with 'Drawable::computeBound' function since 3.21 release, due to Drawable inheriting now directly from Node.