Add additional comments
Merge branch 'master' of https://github.com/hrr1srs/spacedrepetition
srs.js: complete Topic
Merge pull request #18 from therobinkim/master

srs.js: complete Topic and add comments
fixed merge conflict
Merge branch 'master' of https://github.com/HRR1SRS/SpacedRepetition

Conflicts:
	public/client/library/srs.js
Merge branch 'mdaxtman-master'