Add support for Ubuntu 18.04 Bionic

• Adds a template for API hosts
• Adds nginx_http_fastcgi_cache_enable setting
• Adds template with HTTP headers
• Add GeoIP support

Update for Ansible 2.4

Ansible 2.4 is now the minimum required version.

add some fastcgi caching configuration

v1.2.0

add some fastcgi caching settings to nginx.conf http section

Added task to create Diffie-Hellman parameters

v1.1.0

decrease the number of bits used in creation of DH parameter to a mor…

first release

v1.0.0

add curl install to test