Version 1.0

Changes:

• forked from stu's original hovercraft
• changed name to "hovercraft_ad"
• replaced calls to deprecated methods
• fixed horizontal view & vertical position when attached for newer Minetest versions
• ensures there is room in inventory before picking up
• hovercrafts can now be owned & unusable by non-owners
• made dependencies on default & wool optional (required for craft recipes)
• changed craft recipe to optionally use basic_materials:motor
• added localization support
• added Spanish translation