Merge pull request #13 from towanda/twitter

Adds twitter account.

Author: dblock

_config.yml

@@ -18,7 +18,7 @@ owner:
   info: An opinionated micro-framework for creating REST-like APIs in Ruby.
   email: ruby-grape@googlegroups.com
   disqus-shortname:
-  twitter:
+  twitter: grapeframework
   facebook:
   google:
     plus: