Update options.html

Added burned option and corrected 'substitute' typo
Update content.js

Updated for API 1.2
Hard coded to API 1.2 to prevent future breaks
Added support for user synonyms
Stopped translating text in style tags to keep from breaking css (fixes google dropdowns)
Merge pull request #1 from kelderek/master

API 1.2 support, tweaks and user synonyms support