renamed LocalRunnerSetupTestCase to SetupTestCase
added tests for --setup option (they fail!)
aha! enabled --setup switch. tests now pass
logging in test case cleanup
added test for bad setup command (it fails)
setup scripts now fail fast (fixes #810)
added explicit check for sh_bin to bootstrap tests, simplified other test
test that bootstrapping uses /usr/bin/env with unqualified sh_bin
added tests for protecting the job from wrapper script I/O (they fail)
protect task's input/output from setup wrapper script (#803)
got rid of barely used tests.quiet.log_to_buffer()
Merge branch 'master' of github.com:Yelp/mrjob into clean_up_setup
Merge pull request #827 from davidmarin/clean_up_setup

Clean up setup