list 2 sponsor logos per row in sidebar
update gems, fix logo sizing error in ff/ie.
Merge branch 'view_fixes_and_updates' into dev
use .ruby-gemset/version. minor content updates. use full order number for attendee pw.
minor updates to abstract views
add after_filter around Pages#thanks to grab recent tickets from eventbrite
restore .rvmrc. the runner script does not seem to acknowledge .ruby-version
remove title mouseover from abstract keyword tags
move default session timeout for devise from 30.minutes to 2.days

I noticed a few applicants submit abstract data after their session
timed out.  This should help to prevent anyone from losing form data.
minor update to abstract submit page wording
add missing alert section to abstract submit page
dynamic faq section
Merge branch 'faq' into dev
only show announcements on homepage when they exist
fix test testing home page w/o abstracts
make room for faq button in navbar. order abstracts with newest first.
update abstract deadline text. IE css fix for background image.
abstract pagination using kaminari
Merge branch 'add_pagintation_to_abstracts' into dev
shame on me for not adding tests on the new pagination