Assets for addons
Merge pull request #15 from cloudant-labs/fauxton-assets-for-addons

Assets for addons
add guards for when module isn't defined, as is the case in contribute addon
add contribute addon
allow addons to have images
Updated the grunt task for making addons to include an option to make assets folder for .less files
Merge branch 'pr/44' into fauxton

Fauxton addons