some updates for rails 4
remove FileSizeValidator and use simple validators
remove RAILS_GROUP for asset precompile"
fix typos
add bundler/capistrano
remove another FileSizeValidator
fix syntax error
remove require_tree for bourbon
add shared_children for uploads
change for bourbon
turn on caching in dev, add etag event#show
Merge branch 'master' into develop
fix css reference
reorganized bourbon and fix asset pipline
add fresh_whens