Merge pull request #62 from piwik/translationupdates

automatic translation update
Refs #3906
 * Speeding up the suggestion list by only requesting actions when they are really needed
Refs #3906
 * Speeding up the suggestion list by only selecting visitors that have a value set for the requested segment
b14
refs #3813 escape tooltip content for visitorlog to fix possible XSS
fixing build
Next try at fixing build
rewrote live visitor jquery plugin to a jqueryui widget. fixes small issue that requests were still sent even if dashboard widget wasn't present anymore