shows users you follow on the first page. 1st step in feed creation
moves twitter-specific methods to twitter_feed class and changes view so that it is more modular
Merge pull request #12 from ashag/tumblr

makes tumblr search seperate method, fixes tumblr search bug
Merge branch 'master' into tumblr
index shows users you follow and their posts, but does not yet show them in chronological order
fixes merge conflict
Merge pull request #13 from ashag/feed

Feed
Merge branch 'master' into tumblr
refactor search to allow for single-provider search