Fix rescuing from Exception

Should never rescue Exception
Use rdoc for README for sdoc generator
Add social icons font
Added memcachier gem to production
Fix missing comma
Try to get heroku to work
Use unicorn in production
Serve static assets in production for heroku
Move sdoc gem to development

Prevents heroku from including it without 
additional config
Add expiration to sessions
Remove rake-timeout to test heroku
Add new_relic and update gems
Add newrelic config