More livesearch and search bar options

(1) Option to change the livesearch address location (from Yahoo / Surfcanyon to Google / DuckDuckGo / Wikipedia) or turn off the livesearch completely in the search bar.
(2) Option to change the searchbar destination (from surfcanyon to google / duckduckgo / wikipedia)

For (1) and (2) to be available in the "global options / settings / appearance" menu.