Add virtualhost parameter for virtual_server
Add some puppetdoc for keepalived::virtual_server.
Add vrrp_instance parameter for vrrp_instance
Add some puppetdoc for keepalived::vrrp_instance.
Added define type for vrrp_scripts.
Add even more puppetdoc.
Merge pull request #10 from jiuka/master

Added support for vrrp_script, virtualhosts and puppetdoc