Merge pull request #55 from Shadae/shadaerss

Shadaerss
added description to twitter search results
added twitter home feed
Merge pull request #56 from suewhite/posts

Posts
added todo
author gets instantiated, but incorrectly
rss shows up on home page
Merge pull request #57 from suewhite/rss

Rss
added has_twitter_provider helper, format strftime
added author name to message if already subscribed
add comment for rss search redirect
changed html form tags to ruby form tags, added helper for twitter post
played around with divs
cleaned up html, added subscribe button
cleanup html
reformat search bars
format search tum results
styling of search results
html cleanup
cleanup whitespace