Update and rename LICENSE to LICENSE.md
Add license text to README
Merge remote-tracking branch 'origin/site' into fix-spawncamping-octo-computing-machines

Conflicts:
	README.md
Merge pull request #5 from ReactiveCocoa/fix-spawncamping-octo-computing-machines

Use CC license in the repo
Update README.md
Merge remote-tracking branch 'origin/site' into blog
Updated README.