Before this change, you couldn't actually update workers because their config never got updated and they never got restarted when you updated the edx-platform.  This will allow us to quickly update the workers.  We can't do this as part of the edxapp.yml play because that is used in multiple places.

Installation Script: Fix configuration version bug and update to make use of the latest pip's cache feature

Benp/jenkins worker java 8

Revert "DEVOPS-2620 - DISPLAY_ANALYTICS_ENROLLMENTS"

This is a feature flag, not a setting

This reverts commit adb81f4a.

edxapp DB sanitization script moved into sysadmin repo

OPS-976: Remove serial option from mongo play

The mongo play doesn't work when run serially. It's run non-serially in
other places (vagrant-cluster.yml, for example). The serial option seems
to have been added mistakenly in 2632cb86 (#1522) and not tested.

Create non-ASG instances with both security groups so they can reach each other

DEVOPS-2621 - add CREDIT_HELP_LINK_URL environment variable

Benp/fix packer sitespeed aug2015

DEVOPS-2620 - DISPLAY_ANALYTICS_ENROLLMENTS

Upgrade to pip 6.0.8. We can't upgrade beyond this yet due to python …

Upgrade to pip 6.1.0 and the corresponding virtual env. (We can't upgrade beyond this yet due to python version mismatch.)

Overrides for SAML public key and private key vars.

They were not using the proper attribute.

Zoldak/jenkins sitespeed

The base requirements now use an updated verison of ansible (1.9), so we
do not need to have this install step.

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