removed debugging and check for TOC/sidebar exisance

fixed the toc/sidebar toggling script for real

make mobile javascript work correctly on orientation change

adjusted comment in mobile.css to reflect recent changes

adjusted wrong dimension for tablet mode

try twitter bootstrap version of media queries for mobile and tablet modes

improved media queries for mobile and tablet modes

simplified %GROUP% wildcard support

fix necessary global declaration

Input validation for media manager

Input wrapper for exe scripts

compressed new template graphics with tinypng.org

Dutch language update

Vietnamese language update

Korean language update

Korean language update

Italian language update

Polish langauge update

chinese language update. related to FS#2360

Revert "removed all browser-specific gradients as the recently (in 42ff6730) introduced svg makes them unnecessary"

This reverts commit dbd59867496d5e3c5d37e9c3852db29a6a2370c4.

added .ico to allowed mime types

the new template allows to use a favicon in media/wiki/favicon.ico so we
should support uploading it as well.

Korean language update

Ukrainian language update

changed old link icons to use icons from same icon set as sitetools

added icons for user and site tools (FS#2450)