Require spec_helper only once
cleanup code
move runner
load spec_helper
Don't reload any files in the spec directory
exit on exit command
fix stupid typo
Merge branch 'single-require'

* single-require:
  fix stupid typo
  exit on exit command
  Don't reload any files in the spec directory
  load spec_helper
  move runner
  cleanup code
  Require spec_helper only once