Forking and waiting in tests is for :chicken:.
Add a simpler resqued test helper.
Add some docs about unit testing the resqued configuration.
Merge remote-tracking branch 'origin/master' into rm-test-helpers

Conflicts:
	spec/resqued/test_case_spec.rb
Merge pull request #28 from spraints/rm-test-helpers

Better Resqued::TestCase