Add www forwarding to nginx and add server_name to lay base for adding
aidxp.
Add role for aid explorer.
Fix server name
Fix supervisor task name.
Remove aidxp_environment
Add aidxp vars to prod config.
Add aidxp vars to dev
Fix aidxp config module name
Shallow clone for aidxp
Merge branch 'master' of https://github.com/cid-harvard/atlas-playbooks