Allows override of nginx configuration templates via simple variable
adding defaults for grade downloads
set instance_profile_name to sandbox
updating defaults for sandbox provisioning
Renaming local modules to not overwrite the ansible's library names
Merge pull request #474 from edx/jarv/grade-download

Jarv/grade download
Added deploy tags for some local_dev tasks
Merge pull request #475 from edx/will/devstack-forum-permissions-fix

Added deploy tags for some local_dev tasks
adding create_cname.yml
using dns_name
fixing sudo
Merge pull request #476 from edx/jarv/cname

Jarv/cname
Merge pull request #478 from edx/cg/rename_libraries

Renaming local modules to not overwrite the ansible's library names
Added additional log format for use with client SSL certificates
Merge pull request #479 from edx/cg/nginx_ssl_log_format

Added additional log format for use with client SSL certificates
New role for installing and configuring haproxy
This can be useful for managing rabbitmq clusters and possibly
as a replacement for ELB.
Had an instance where datadog wasn't starting, added started task
Merge pull request #485 from edx/cg/datadog_started

Had an instance where datadog wasn't starting, added started task
Updated to use COMMON_LOG_DIR
Merge pull request #484 from edx/cg/haproxy_role

New role for installing and configuring haproxy