Adding ability to pass through filter option to the Images API
Simple images filter explanation for README
Merge pull request #5 from jak/images-filter-parameter

Adding ability to pass through filter option to the Images API
Added retrieve single droplet
a itch that i needed to scratch
added support to transfer images and rename droplets
Closes issue #7 - added support to Events in the client API
fixed gem name
added support for gemnasium.com
added gem version badge from badge.fury.io