CLC-4279 - Add front-end slash encoding
CLC-4279 - Don't try to encode courseYear or courseSemester
Add back-end slash decoding
Add decoding tests
Make encodeSlash() a utilService
Reorder encodeSlash alphabetically
Merge pull request #3033 from edwlook/CLC-4279

CLC-4279 - Webcast keeps spinning for malay_i-1a