added first draft of alembic maya gui
added cask and abcView to install in python_examples
added alembic editor dialog to maya scripts install
added editing to propertiers panel and width to first colum
bump version
Merge branch 'release/1.5.0.15'

Conflicts:
	maya/scripts/bb_alembicAssignmentEditorUI.py
Merge branch 'release/1.5.0.15' into develop
added shelf button for alembic editor
Merge branch 'master' into develop