Refactored set_file_delete_properties to set_additional_file_properties.
Make file name methods usable with the file name as only argument.
Allow removing files that fail server-side validation. Closes #2319.
Added gitignore in server/php to ignore uploaded files
Merge pull request #2321 from thanpolas/add-gitignore-for-files

Added gitignore in server/php to ignore uploaded files
Added newline.
Added .gitignore to Node files directory to ignore uploaded files.
Don't list hidden files.
Don't allow deletion of hidden files.
Don't silence imagerotate errors.
Handle failed uploads without a defined dataType. Fixes #2333.
Added back donation links.
Make sure the files queue is set to a valid array. Fixes #2333.
Allow to override the image preview name via global options.
Refactored fileupload-resize.js to fileupload-image.js.
Always trigger the loadImage action.
Added plugins for audio & video previews. Closes #2328.
Added info about audio and video previews.

Updated the required loadImage library version.
merge from upstream - add audio preview support