config can read from a previously generated configuration file
adds config reading to deploy.js
add function to read stack params, nail default override ordering
factors createStack and setupStack into index.js for use by other libs. refs #9
adds function to update a stack
adds function to delete stacks
get stack info function
style
Rename deploy to create and update bins.
Missed some references to stackSetup.
No async dep.
Remove default region.
Merge pull request #11 from mapbox/other-defaults

Libify