temporarily remove SR on capa alerts to fix problem submissions (LMS-2474)
Remove unused methods from comment_client
Remove unused *args and **kwargs from perform_request
Use requests library utility method for getting json results
Add more tags to comment_client request metrics

This captures real-time metrics for all of the comment client actions,
segregated by course_id, as well as other small-cardinality fields.

The goal is to be able to detect changes in forum usage, with the goal
of alerting on potential error conditions.
Merge pull request #3105 from edx/adam/hotifx-js

temporarily remove SR on capa alerts to fix problem submissions (LMS-247...
Add datadog metrics logging for django model creates, updates, and deletes
Skip video test that is failing in master
Merge pull request #3111 from edx/zoldak/skip-failing-tests

Skip video test that is failing in master
Temporarily disable the bok-choy test that is intermittenly failing
Merge remote-tracking branch 'origin/release' into adam/merge-release-2
AN-167 New chapter on role & skills of data czar and research team
Merge pull request #3038 from edx/ahodges/documentation/dataczar

AN-167 New chapter on role & skills of data czar and research team
Merge pull request #3112 from edx/zoldak/skip-failing-tests

Temporarily disable the bok-choy test that is intermittently failing
Merge pull request #3113 from edx/adam/merge-release-2

Adam/merge release 2
Custom JavaScript Display and Grading

DOC-105
Merge pull request #3006 from edx/markhoeber/documentation/DOC-105

Markhoeber/documentation/doc 105
Disable failing video test
Merge pull request #3114 from edx/zoldak/skip-failing-video-test

Disable failing video test
Merge pull request #3061 from cpennington/model-metrics

Add datadog metrics logging for django model creates, updates, and deletes