bugs fixed: cursor / mouse scrolling position update

added scrolling left/right with cursor keys

bugs fixed

bugs fixed:
- all mouse buttons work again
- default language (en) selected

changes:
- default qualifiers changed
- 'Alt + lmb' (one-click!) identifies the word under the cursor and shows the long Wikipedia article
- added another quicksearch hotkey [-> Manage Extension Shortcuts] (both are the same)

bugs fixed:
renamed (very smart) vars like 'box' or 'search' to qwikibox, aso.
permissions added for 'wikimedia.org'