cs2109 - challenge admin tweaks
added challenge create/update logic
tweaks for submissions
fixed js bug
new submission deliverable process
Merge branch 'soe' of git://github.com/soe/cs-website-cms into soe-soe
added check for only numbers, letters and underscores
changes from challenge 2109
moved settings to env
fixed display issue
restructure assets
assets fix
load controller specific styling
load controller specific js
fixes for cs 2146 - batch #1
challenge submission now does not use REDIS, deliverable can be uploaded create_deliverable
get started now pops register modal
added httparty
work on challenge admin
error handling