Make accept work for image upload
Formatting
Fixed starting "Select from server" in upload dir
Keys in 'option's should be named after contenttypes field option names.
Renamed option.handler to option.upload
Move upload attributes name/multiple setting from js to templates
Corrected accept values for other file uploads
Name atrribute for filelist
Fixed file/imagelists accept
Merge pull request #1776 from rarila/uploads

Uploads