Bye, bye iconextractor. Welcome iconmaker.
Updated Moono iconset.
Introduced CKEDITOR.env#hidpi flag.
Load 32px icons when in HiDPI environment.

* Added ugly, 32px icons for plugins and moono.
Force CSS background-size property for icons.
Updated 16 and 32 icons.
Remove old dev iconfiles for moono.
Attempt to load larger icon for anchor image.
Use 32px icons in dialogs when in HiDPI. Sliced mini.png in moono for better compatibility with iconmaker.
Refreshed both 16px and 32px iconsets.
Added additional plugin images for HiDPI.

* Editor logo in about dialog.
* Magicline caret icon.
Added latest 32px iconset file.
Load HiDPI iconset only if the skin supports it.
Moved background-size definition for toolbar icons to toolbar.css
Register moono skin as HiDPI-compatible.
Announced plugins supported by CKEditor team as HiDPI-compatible.
Load HiDPI icons if such feature is supported by the plugin.
Updated doc strings.

* For skin#hidpi and pluginDefinition#hidpi.
* For moono and kama.
Remove skin#hidpi property.
Moved background-size value for toolbar icons back to JS code.