Restructured model with feedback.
Added SPA AngJS interface.
Started Topics.
Editing topics working.
Fixed deleting.
Laid out courses edit interface.
Course editing working.
Base lesson editing interface working.
Lesson editing done.
Improved markdown syntax.
Removed section.
Improved whitespace handling.
Laid courses index.
Added links in test data.
Wiring for course display.
Course view started.
Removed begin buttons.
Initial lesson display.
Displaying questions.
Added basic navigation.
Added ngCloak
Added basic CMS display.