added gifter
Merge pull request #2 from ehazlett/gifter

added gifter
Refactor matchers
Fix a derp error
Add matchers directory
updated gifter to create public snipts to prevent image hoarding ;)
Improve image matching regex

* URLs cannot contain actual spaces.
* Support .jpeg extension.
* The extension must end at a word boundary.
Update matchers/gifter.py
Add welcome back greeting
Add lunch
Add cletus matcher
Beef up cletus matcher
updated gifter to use markdown and show images in snipt
added basic message parsing for tags ; added basic auto responses
Turn nigel into the nicest bot ever
Turn off greeter matcher
Merge branch 'master' of github.com:/honza/nigel
fixed bug in gifter if no random results are found
Make the Sifter issue matching more specific.

Now it matches:

* 3-5 digit numbers
* Preceded by a #, whitespace, or beginning-of-line.
* Followed by a comma, period, question mark, exclamation point,
  whitespace, or end-of-line.
Add jenkins matcher