update anchors when selection applied.
Physics Joints handles movable.
update UUD’s of copy/paste.
Merge branch 'develop' of https://github.com/apportable/SpriteBuilder into develop
visible and locked joints.
Merge branch 'develop' of https://github.com/apportable/SpriteBuilder into develop

Conflicts:
	SpriteBuilder/SpriteBuilder.xcodeproj/project.pbxproj
remove binary file attribute on project.
Merge pull request #340 from jtwigg/develop

Develop