First version of DuckSay
Clean up

- Use $.each for IE compatibility
- Remove unused variable "s"
Namespaced CSS classes to match style guide
Jokes subreddit attribution
Added instant answer metadata
Added /r/jokes source metadata
DuckSay: added unsafe
DuckSay: better BEM usage & moved duck to template
DuckSay: green bow tie
DuckSay: tweak source name
DuckSay: added is_unsafe to tests
DuckSay: white-space pre and smaller text width
DuckSay: added "daxsays" trigger
DuckSay: added style suggestions from @mintsoft & @chrismorast
DuckSay: Removed container styling
Merge pull request #1058 from csytan/master

DuckSay Instant Answer! 100% Awesome.