Cutting new Opensource release

Summary: Cutting new OSS release

Reviewed By: kfirapps

Differential Revision: D6509639

fbshipit-source-id: f0c4c50d2b6328e3868393f521493648840776ea

Merge pull request facebook#779 from eczarny/version-bump

Version 0.20

Merge pull request facebook#776 from eczarny/version-bump

Version 0.2

Merge pull request facebook#633 from eczarny/version-bump

Version 0.15.1

Merge pull request facebook#625 from eczarny/version-bump

Version 0.15

Merge pull request facebook#468 from adamjernst/version-bump

Version 0.14

Merge pull request facebook#353 from MDSilber/master

Bumps version number to 0.13

Bump ComponentKit to 0.12

Update version in README

Merge pull request facebook#93 from dstnbrkr/master

Update Podfile.locks for ComponentKit 0.10