rigify: update for Blender 2.8

rigify/__init__.py

rigify/legacy/__init__.py

rigify/legacy/rigs/basic/copy.py

rigify/legacy/rigs/basic/copy_chain.py

rigify/legacy/rigs/pitchipoy/super_copy.py

rigify/legacy/rigs/pitchipoy/super_face.py

rigify/legacy/ui.py

rigify/metarig_menu.py

rigify/rig_ui_template.py

rigify/rigs/basic/super_copy.py

rigify/rot_mode.py

rigify/ui.py