styling changes
linting
fixed the navbar and links on the top of the lesson page
restructured sidebar, removed the stuff for offline work
linted, restructured sidebar
linted, added function to get unit numbers for course (sidebar)
linted, restructued course intro into its own controller, added units to sidebar
added a name for a self-assessment
incorporated bens changes, removed two tags (structure and description)
fixed splicing function, now monkey-patches BS4
added the correct path for the test curricula
fixed the error where the googleplus page seemilgly crashed the app
styled new curriculum additions
restyled pretty much every page
restyled pretty much every page
refactored controllers, making the view controllers handle pretty much only requests and the main controller handle everything else
forgot to add a "description" directive
part of the xml was getting cut, so returns are now wrapped in a div
added introduction tab to sidebar
put the numbering into its own function