Merge pull request #1 from JonathanTR/active-admin

Active admin
Add show route, action, view to location
add friendly_id gem
set up friendly id
add friendly_id slug to locations
add slugs to locations. include slug history and redirect
update location controller test to work with friendly id
add binding of caller gem
add friendly id slugs to courses
add courses as nested resources
add courses controller
Merge pull request #2 from JonathanTR/seo-urls

Seo urls
add preliminary views
include bootstrap sass
include modernizr
add navbar
include edwel logo as svg and png
add custom javascript files - fix for ie8
add custom stylesheet
remove trailing whitespace