Updating the Chipmunk license.
Merge tag 'release-3.0-rc4' into v3.0
Removing some old refs from the project files
Bugfix: Shadows overlapping/glow in stroke.
Merge pull request #679 from NickyWeber/bugfix/cclabelttf_shadow_overlap_strokessue

Bugfix: Shadows overlapping/glow in stroke.