Compatible with Firefox 21 & other bug fix :-)

Thanks to upsuper (Xidorn Quan) and many other guys!

* urgent locale fix

* fix: URLs matched by whitelist rule will now be connected directly as expected;
* fix: enableProxyOn doesn't work properly in sidebar;
* make the toolbar button looks correctly;
* reenable configuration for fallback proxy;
* new feature: quick change proxy of rule group from context menu.

More details see https://autoproxy.org/

* Ready for Firefox 4

* fix issue that the default proxy settings will not be saved after Firefox restart

Lots of updates, please check out: http://autoproxy.org/en/release