Merge pull request #640 from yuhunglin/CLC-1276

[CLC-1276] Security gem updates
Merge pull request #643 from ctweney/mondayFix

NOJIRA Fix test so it will pass on Mondays
CLC-1277 [Front-end] You can't click on the left side of a task
https://jira.media.berkeley.edu/jira/browse/CLC-1277
CLC-1220 Make it possible to rollback to sprint10 db version
CLC-1220 Script to automate db downgrade procedure
CLC-1220 Tweak comment