2.2.2

• Set PNG as the default file format.
• Renamed settings containing the word "directory" to contain "folder".
• Allowed to install the plug-in system-wide (e.g. to
  C:\Program Files\GIMP 2\lib\gimp\2.0\plug-ins on Windows).
• Pressing Enter while the focus is on the "File extension" text field will now export layers.