more refactoring recorders
added CAAnimationRecorder, compiles but unfinished
wip
Added my stuff - grouping, custom easing, NSStringFromTransform3D
Merge branch 'master' of https://github.com/facebook/pop
wip
patch for NSEdgeInsetsZEro
Merge branch 'master' of https://github.com/facebook/pop
before trying to break apart recording item
Split up all recordings and recorders, need testing
wip
wip
wip keyframes from ss
added test targets, Specta/Expecta, and a mac command-line utility, for testing purposes
wip
Merge branch 'master' of https://github.com/facebook/pop
added more convenience methods
before reformatting
Merge branch 'master' of https://github.com/facebook/pop

Conflicts:
	pop.xcodeproj/project.pbxproj
	pop.xcodeproj/xcshareddata/xcschemes/pop.xcscheme
wip
updated headers path
updated project settings
Added iOS Framework target