temporarily remove SR on capa alerts to fix problem submissions (LMS-2474)
Merge pull request #3105 from edx/adam/hotifx-js

temporarily remove SR on capa alerts to fix problem submissions (LMS-247...
Merge remote-tracking branch 'origin/release' into adam/merge-release-2
Merge pull request #3113 from edx/adam/merge-release-2

Adam/merge release 2