DropKick.js 2.0 RC3

What changed in RC3?

• Added Travis CI
• Added Contributing guide to readme
• Added a quick start guide to readme
• Added lots of basic tests
• Added all the necessary files and set up with gulp
• REMOVED clicking and selecting multi select options
• Added the ability to shift + click multiple options in muli-selects
• Added production folder for you to quickly grab the right files and get up &running.