YH-310: Initial separation of database and web servers
YH-310: Get database addresses from inventory file
Only install web modules and resources on webserver
Ignore errors on harvest organization import
YH-310: Moved multimachine vagrant to tools
YH-310: Separate inventory and playbooks for single- and multi-machine deployments
YH-310: Use utf-8 in database schema
YH-310: Separated alpha and beta inventories.
YH-310: Fixed non-breaking spaces
YH-310: Fixed beta inventory targets
Make user sessions support cloned server instances
Switched from Ansible accelerate to SSH pipelining
YH-310: Fixed user sessions between Drupal and CKAN
Merge branch 'YH-310'

Conflicts:
	ansible/alpha.yml
	ansible/roles/common/vars/main.yml
	modules/ckanext-drupal7/ckanext/drupal7/plugin.py