Merge pull request #10 from aaronpk/master

Now you can do this: `!meme engage [picard]`
Make single group regexes work (they'll go to the top line). Addresses #11.
Replace crazy http function with request library
trying to improve all the things
Adds a simple sinatra app around the memecaptain gem. Updates meme definitions to point to the new meme.loqi.me server where this will be running.