plugins support & move jquery-ui to plugins/
upload plugin files
forgoten require in utils.js.coffee
remove whitespaces
fix default `script-base`
fix default `script-base` (forgotten Rakefile)
fix default 'script-base'
fix tests
extract images from widget.js
upload image files with widget js
fix "upload" task
move image files from pkg/ to pkg/images
merge with master
minor fixes
Merge pull request #97 from uploadcare/split-widget-js

Split widget js to several files