Brainy Quotes: Use the template_group info for this
brainy_quote.js: Change "quote" to "quotations".

"Quote" sounds a bit like it has something to do with finance.
Brainy Quotes: Add a big smart quote to make it look nice.
Merge pull request #610 from duckduckgo/jag/bttf/brainy-td

Brainy Quotes: Use the template_group info for this