Expose Manifest#find
Avoid hard coding marshal header version
Skip directive processor cache
Allow context's locate to accept asset uris
Locate with asset URI returns self
Test fingerprint with ?body=1
Merge branch '2.x'

Conflicts:
	test/test_server.rb
Test no fingerprint validation on body request
Merge branch '2.x'

Conflicts:
	test/test_server.rb
Skip require test for version
Sprockets 3.0.0.beta.6
Merge branch 'master' into processor-cache-key