* Added language configuration support
Main page now has a dropdown for selecting preferred language of
results.
Refactored config to be its own model with language constants.
* Added more language support
Interface language is now updated using the "hl" arg
Fixed chinese traditional and simplified values
Updated decoding of characters to gb2312
* Updated to use conditional decoding dependent on language
* Updated filter to not rely on valid config to work properly
Ben Busby