Allow non-lists in permutations
Merge branch 'master' of https://github.com/DanielG/travis-run
Start boot2docker if it's not already running
Remove leftover debugging stuff
Merge branch 'master' of https://github.com/andy-morris/travis-run
Clean up docker_create a bit and add versions to image tags
Fix backend arg parsing
Dont use subshells for command cases

..that dicks with the signal handling
style
Fix signal handling

turns out traps in functions are local to that function .. gah
Exit when we don't have a yaml module
Update OSX install instructions