Make the editor and uploader use plain CSS for compatibility
Change the algorithm that decides where to store uploaded files
Clean up the private/public/disabled/enabled handlers for the File model
Add configuration directives to change where files are stored
Add ability to detect the dimensions of BMP images
Add ability to detect the dimensions and duration of audio & video files
(Requires ffprobe command from ffmpeg)
Change email_sendmail_cmd to email_sendmail_command for consistency with other configs