Fix simulator slow motion animations.

Using CACurrentMediaTime() directly broke slow-motion animation support. Use the same logic as -render to ensure consistent timing.
Added UICollectionView offset and contentSize properties
Merge pull request #88 from RuiAAPeres/master

Added UICollectionView offset and contentSize properties
Added borderColor and borderWidth
Merge pull request #94 from conradev/master

Added borderColor and borderWidth
Adding "Popping" as reference in "Resources"

Also sorting the list alphabetically
Merge pull request #96 from hfossli/patch-1

Adding "Popping" as reference in "Resources"
Use Travis CI's default xctool support

Details @ http://docs.travis-ci.com/user/languages/objective-c/.
Merge pull request #98 from LegNeato/master

Use Travis CI's default xctool support
Merge branch 'master' of https://github.com/rajeshmone/pop