added discard lighting file for houdini
Merge pull request #120 from bkingery/master

Added discard lighting file to houdini
Set up alembic camera export
Merge pull request #121 from bkingery/master

Implemented alembic camera export.
destroy abcRop after render
Merge pull request #122 from bkingery/master

Implemented alembic camera export.
Implemented export sets to alembic, and updated camera export.  This is not tested yet.
fixed alembicconvert.py  I just added the force flage to the openFile command
changed the set cache path
Merge pull request #123 from bkingery/master

Implemented alembic set export from houdini and fixed alembic animation export from maya
updated alembic export stuffs
Merge pull request #124 from bkingery/master

updated alembic export stuffs
changed it so that refresh doesn't change top-level node
Merge pull request #125 from bkingery/master

Refresh no longer updates the top-level node.
updated rollback tool
updated rollback tool
Merge pull request #126 from jmoborn/master

Rollback Tool update
 I just finished the New Texture Asset button
Merge pull request #127 from garretthoyos/master

New Texture Tool Finished
Added maya alembic reference hack