Add profile support to enhanced networking task

Switch to using db.serverStatus instead of mongostat

Rotate mongo logs

Explanation: if mongo is set with systemLog.logRotate='reopen', when it
receives a SIGURS1, it'll close and reopen its log file handle.

Max/readd reverts

Feanil/update ansible

adding gz extension in the blacklist

Changes were originally introduced in f02f890a, PR #2218

Changes were originally introduced in 2c53e32c, PR #2217

Changes were originally introduced in 02cda120, PR #2214

Install analytics stack dependencies

Max/wrong mongo

This reverts commit f02f890a, reversing
changes made to 2c53e32c.

Reason: added to mongo play instead of mongo_3_0 play

This reverts commit 02cda120, reversing
changes made to e4848f95.

Reason: changes were added to mongo role, not mongo_3_0

This reverts commit 2c53e32c, reversing
changes made to f376391b.

Reason: changes were added to mongo role instead of mongo_3_0

Add aws role to mongo play

log-mongostat.sh.j2 accidentally put in wrong location

DEVOPS-2551 Proctoring configuration

Add mongostat logging

Added a dummy date in the date_joined

It was causing 500 internal server errors because after
sanitization it would be set to null but a valid value would be
needed for a couple of actions on the website, like assigning
students to programs and assigning students to courses.

Migrate to Cypress tag, not RC branch

Vagrant boxes for Cypress

Add a variable for the new THEME_DIR

mongo 3.0 role