Fix save path for cinnamon recorder, add support for window/area selection helper, add filename templating for custom recorder, standardize on screenshot filenames, decouple path and filename template from other settings, removed applet options popupmenu, added sound toggle when supported, changed FileChooserButton to regular FileChooser, added better builtin support for ImageMagick, XWD, FFmpeg and RecordMyDesktop, remove "mod activates timer" option, add delay spinner to settings, cleanup