Adirelle:
	- Added .pkgmeta.
	- Added localization as well as specific text display for each kind of ActionSlot.
	- Fixed ation slots specific to a type (item, spell, ...).
	Fixed picking up a companion spell from the slot.
	Properly handle action dragged from action bars.
	- Trimmed trailing whitespaces.
	- Added specific widgets restricte to item, spell, macro or equipment sets.
	- First working version.
