add *.iml to gitignore
row-major and zero-based indexing options in indtosub and subtoind
Switched from join to zip

- Tests use same partitioning
Improved documentation
Merge pull request #20 from industrial-sloth/indexing-options

Indexing options
Fixed doc formatting
No underscore in argument names
Reformatting / reorganization
Tweaks to EC2 docs
Removing pillow dependency

- Replace with calls to matplotlib’s imsave and imread
Added memory configuration
Add mailing list to readme
Expanded installation and configuration

No longer using the Anaconda AMI, so we install the necessary
dependencies manually
Added links
Update version to 0.3.2
Add requester pays configuration