Official Version 9 release

New: Character mesh is used in Edit Guides (push away), Push Away from Surface, and Resolve Collisions operators
Fixed: Is Inside Object doesn't work correctly in Generate Strand Data operator
Fixed: Channels drop-down is empty when Edit Guides modifier is first added
Fixed: Guides exported/imported with incorrect widths with Alembic
Fixed: Without surface dependency and with strand rotations present imported hair can become jumbled