ECOM-3181

use the second if with NGINX_SET_X_FORWARDED_HEADERS

introduce new variable NGINX_REDIRECT_TO_HTTPS for redirect

simplify the logic

fixed the typo

change the if statement logic

nginx error fix

apply the last fixed to all the required templates

Auto confirm for gcc/g++ ppa

`sandbox.sh` hang at the step when it add the gcc/g++ ppa for user respone(yes/enter), you make it better to make it auto install without user interaction. Thanks

fix the shell if syntax

fix the shell if syntax

Revert "Auto confirm for gcc/g++ ppa"

The unique constraint was removed in our fork, this sed is a no-op
https://github.com/edx/django-openid-auth/commit/ea49a01d85cb2fccc5fe34f3d0e042dc1deaf8e8

Override for docker in the docker overrides.

Sandboxes don't have a 'db' host like docker will.  They need to use 'localhost' for mysql.

https://docs.djangoproject.com/en/1.8/ref/django-admin/#syncdb

- Creating DNS entry
- Specifying correct ports
- Enabling nginx site for CI builds
- Resolved nginx default site issues
- Fixed issue with OAuth client creation
- Setting LMS URL
- Corrected ecommerce repo

ECOM-2755

This one has programs NGINX built onto it.

This reverts commit 6da8cd29.

- Creating DNS entry
- Specifying correct ports
- Enabling nginx site for CI builds

ECOM-2755

Also it breaks expectations when adding new non deploy tasks.

ECOM-2572

ECOM-2185

ECOM-2180

Cut as a result of the work in OPS-1003 OPS-1019 and adding the new
ecommerce role (work by Clinton).

ECOM-2185

ECOM-2185

Without this, sandbox builds fail when edx-platform updates because the
virtualenv contains distribute and we try to install setuptools.

The new sandbox is built from master around cypress.

I also updated the base ubuntu images to the latest ones.

This isn't visible in Jenkins, so would only be changed here.