First version of Dropzone that works without jQuery. #39

Still some parts missing, and no testing at all.
Added the download files.
Version bump.
Updated the readme.
The fallback form gets displayed properly now.
Looking for dropzones should even work in IE6 now.
Dropzone.forElement works with strings now too.
The fallback form didn't display the message.
Added download files.
Merge branch 'no-jquery' into develop