Features: working ubuntu README (old was a mess...)

Merge branch 'bug_659_cross_browser_charcode' of https://github.com/themasch/diaspora into themasch-bug_659_cross_browser_charcode

with the Unicode Character Code when used in keypress.
charCode is only supported in some browsers.

in firefox if you clicked the A with your handle and didnt hover over it it'd turn black because of screen.css:39