refactor stylesheets
refactor JS file structure. vendor files into vendor folder
remove un-used
include localForage and handelbars
add show action to the session api
use local bootstrap-sass
refactor controllers

create frontend controller, use it for app
remove backbone redirects from the submission controller
remove backbone redirects from the song controller
remove un-necessary json rendering / remove un-necessary views.
update styling
refactor frontend app initialization
model front-end session
refactor routers, move routes from submission_router to main router
fontend-header refactor, render itself
update styles
add ID to song serializer, remove dead code.
styling header
refactor submissions.
refactor songs
add greatest and favorites routes
remove unused main template