UI changes and update contact us page
Merge branch 'master' of github.com:Interoctavo/yafalla

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* Added Omniauth and Twitter integration
* Fixed bug where deleting post from business redirected to profile
* Added 140-char limit to social posts
* Added auth_ids field to posts
* Added ability to choose which authentications to share with on a per-post basis
* Added social sharing icon to posts that were shared
* Removing social sharing reference from timeline to debug
* Added Post detail page
* Update twitter update code to generate link back if truncated
* Handled case of linking back to deleted post on blasterous end
* Updated styling of posts a bit, separating list from detail
* Removed duplicate copy of places#show view
Edited welcome mail text
Merge branch 'master' of https://github.com/Interoctavo/yafalla

Changed Welcome email txt.
* Removed first_name variable, which was preventing email delivery
* Fixed some typos
* Removed HTML from text version of email
* Added Facebook authentication and posting
* Removed authentications#index and view
* Fixed all redirects to use _url instead of _path
* Added admin controller and view to monitor key stats
* Added Last 30 days daily post count to admin
Added GA to home layout
* Added partials for events to show up in places#show
* Made event partials only show up for burlingame and san mateo
* Made every blast clickable to blast detail page
HTML version of welcome email
updated Welcome Email txt
clean up email.
Updated city_splash and thumb images