fixed source in project_houdini.sh
Merge remote-tracking branch 'upstream/master'
updated maya shelf with maya_checkout.py
Merge branch 'master' of https://github.com/bkingery/byu-animation-tools
added maya path variables
added /usr/lib64/python2.6/site-packages/ to PYTHONPATH so that PyQt4 will work.  Also deleted a worthless mel script from chasm
Merge pull request #12 from bkingery/master

Updated maya environment variables