Merge pull request #10 from DavidXArnold/master

added rake support (removed thor)
Merge pull request #11 from DavidXArnold/master

Updated README, fixed rake extened task descriptions and added support for AWS bucketname as an environment variable.
Updating things with stuff and being super helpful.
Adding travis.yml to gitignore.:
:
Updating optional flag in readme.
Wonder what happens next.
set default value for NMDPACKER_VAR to base if not set