Expose enable marketing site feature flag

Add registration extra fields setting to configuration.

test_build_server: additional tests.

conditional sync

adding steps back to sync logs explicitely

use profile for sqs connection

bin-directory optional, also some pep8

Jarv/retire host fix

Add awscli to requirements.

Packer: set config to work with any clone name (host machine).

packer jenkins_worker: use ansible 1.7.1 for testing build server.

Han/kifli amis

New AMI, old one busted

Have a seperate room for ansible hipchat messages.

Defaulting it to hammer for now.

The test_build_server role was failing on acceptance tests because of unicode
static assets being gathered in collectstatic for django. This was because of
this issue https://github.com/ansible/ansible/issues/6655, which has been
resolved in recent ansible versions. We must override the version that is
being used by this repo, and upgrade ansible at provisioning time for
running the test_build_server role.

enable the newrelic app as a separate flag

inital working version for review

fixes nginx access log rotate issue

Bugfix/rohitk/1450

Changed the incorrect case of mongo_clustered to MONGO_CLUSTERED
that broke cluster configuration.