Do not use mkmf to check for ansible-playbook presence
Do not use mkmf to check for ansible-playbook presence

mkmf has lots of side-effects - it create mkmf.log and prints to stdout

fastsupply/railsbox,notch8/railsbox,supersid/railsbox,andreychernih/railsbox,fastsupply/railsbox,supersid/railsbox,notch8/railsbox,wiserfirst/railsbox,wiserfirst/railsbox,andreychernih/railsbox,supersid/railsbox,notch8/railsbox,wiserfirst/railsbox,notch8/railsbox,notch8/railsbox,fastsupply/railsbox,wiserfirst/railsbox,notch8/railsbox,supersid/railsbox,andreychernih/railsbox,supersid/railsbox,andreychernih/railsbox,wiserfirst/railsbox,andreychernih/railsbox,fastsupply/railsbox,andreychernih/railsbox,fastsupply/railsbox,fastsupply/railsbox,supersid/railsbox,wiserfirst/railsbox