Gem::Version requires thawed string
Use fake CC to test service broker feature
Remove obsolete service broker integration spec
Revert "Set up component runner for cf"

This reverts commit 3a67ebd37c766b2d16bda9bb9317aa35cc74d02e.

Conflicts:
	.gitmodules
	vendor/integration-test-support
Revert "Temporarily exclude integration specs from CI"

This reverts commit bc3bffad365006cbc35c87824b4764acfb3cc0e5.
Only require ActiveSupport extensions we use

The Object#to_json method added by ActiveSupport breaks MultiJson
prettification.

See https://github.com/intridea/multi_json/issues/86 for details.