Removed old ctl patches
Removed openexr_ctl, no longer needed
Added aces_container
Added ctl 1.5.0
Updated alembic to support OpenEXR 2.2
Fixed @executable_path for fltk
Updated to OpenEXR 2.2
New OpenEXR_Viewers from github, fixed to work with cmake and build
Added contribute to track pull requests
Updated alembic to support OpenEXR 2.2
Added 0.2.7