Merge pull request #6 from lmj112/master

Implemented Basic Exercises Timetable
Modify Cate CSS url depending on env
Cleaned up the versioning
Fixed timetable navigation alignment
Fixed missing version setting
Implemented notes.

Notes now show. Not very well, but they do show.
Made the notes link have a nicer hover state
Minor code refactor of notes click binding
Modified notes to use boostrap modal, more logical processing order. Removed logs