add dropzone.js from http://www.dropzonejs.com/
include dropzone script in drive.html
make original forms fallback
activative dropzone
give dropzone form a id: "driveDropzone"
give dropzone form a id: "drive-dropzone"
give dropzone form a id: "driveDropzone"
limit file size in dropzone
fix class syntax
add dropzone basic css
do not createImageThumbnails
add custom css for dropzone
new layout for drive file listing
drive file listing order_by filename then creation time
remove welcome text
add 'beta' in title
Merge branch 'drive-dropzone'