Added feedzirra gem
Modified gem to feedjira
Working on adding rss feeds
Added index.rss.builder to posts view
Added rss feed method to posts and link to layout
Added parameter search for user in posts index
Merge branch 'rss' into development

Conflicts:
	app/controllers/posts_controller.rb
	app/views/layouts/application.html.erb
	app/views/posts/index.rss.builder