Update README.md
Fixed MAC OS X broken build
Merge branch 'master' of https://github.com/uic-evl/omegalib

Merged with latest version
fixed a bug in UseOsgWorks
Merge branch 'master' into bullet
testing osg-osgw collaboration. meet build failure caused by omegaOsg. commit just to switch branch to see if master is also failed to build..
i think mis-deleting of this line in previous commit was the reason building failed..
Debug and Release libs in different folders
add tar.gz/cmake/example for osgbullet