No bundle shit
Merge branch '2-2-stable'
Test on Sprockets 2.8.x
Ensure manifest dir exists
Skip legacy true
Test sprockets 2.11 and 2.12
Skip on 1.8
Merge pull request #188 from rails/test-older-sprockets

Test on older Sprockets
Merge branch '2-2-stable'

Conflicts:
	.travis.yml
Ensure manifest dir exists
Merge branch 'master' into beta-only
Drop old sprockets versions