Merge pull request #68 from robotmay/testing

Fixes for a bunch of development issues and some specs
Merge pull request #69 from robotmay/testing

Additional documentation and bugfixes
Fix for linux/darwin dependancies for gems
Drop 1.9.3 testing for now
Merge pull request #70 from petems/fix_bundler_for_darwin

Fix for linux/darwin dependencies for gems
Remove defunct devise helper for Rspec