fix clicking on link that used to work with aloha
add comments for script blocks
refactored out progressbar
refactored out dropzone
Merge pull request #11 from saintedlama/master

Fixes minor bugs with mkdir, returned status code and adds a .gitattributes file
add syntax highlighting with highlight.js, fix #10
define editor styles and formatting options
enable dropping of youtube and vimeo videos to content
add gitkeep to images
update droppable description
add detection of asset type in content drop if link is dropped