Removed unused actions from posts controller
Update memory and CPU usage and vagrant file

Change the web server to Thin - seems to give better performance the WEBRick
Added the checkin action to the posts_controller

Fixed the logic and removed the @post_as variable from the index action

Added a signup route for ease of use
Refactored and removed the dialogs from the post index page
Update the feed item template so it displays on mobile devices better
Removed most of the code from the old post.js - the auto-refresh code is still there
Added a header content_for block

Removed the dialogs content_for block
Added a helper variable for POST_AS_SELF
Many style changes to make things look better on a phone
Moved the post_as code to a common js file and created a template for the organization picker
Require the new post code
Moved the dialogs to individual jQuery mobile "pages" & template files
Merge branch 'remove-dialogs'