ExtendedActionBar

now with the bar-free- and slim-option
(tagname cause of curse-site-bug)

- add updater (untested) to import old data (Ticket 47)
- changing positioning-behavior when changing screen-resolution (Ticket 44)
- removing a lot of bugs
- first really working barfree-option
- added Bar-Slim option
- improving setting up positions
- making anchor-showing dynamic
- improving bar-behavior and button handling inside bar.lua
- improving performance
- Fixing bug: Skins can't be used (Ticket 45)
- improving behavior on scale-change