i18n Colorset translations

This should translate the colorsets successfully. Currently only the generic-standard colorset has translation files, though.
For some reason, by default Python JSON output is ASCII safe, and therefore doesn't store the actual non-ascii unicode chars as the actual chars. Every part of our workflow should be Unicode safe, so I'd suggest seeing if you can't tweak the output as [explained here](http://stackoverflow.com/questions/18337407/saving-utf-8-texts-in-json-dumps-as-utf8-not-as-u-escape-sequence).