Added organisation part into the alias name of the inventory

inventory/inventory

 # Inventory Aliases
 # Make sure to change group_vars/all.yml for the same hosts keys
-mdx-signer      ansible_host=xxx.xxx.xxx.xxx ansible_user=debian ansible_ssh_private_key_file=~/.ssh/my_deploy_pubkey
-mdx-proxy-1     ansible_host=xxx.xxx.xxx.xxx ansible_user=debian ansible_ssh_private_key_file=~/.ssh/my_deploy_pubkey
-mdx-proxy-2     ansible_host=xxx.xxx.xxx.xxx ansible_user=debian ansible_ssh_private_key_file=~/.ssh/my_deploy_pubkey
+myorg.mdx-signer      ansible_host=xxx.xxx.xxx.xxx ansible_user=debian ansible_ssh_private_key_file=~/.ssh/my_deploy_pubkey
+myorg.mdx-proxy-1     ansible_host=xxx.xxx.xxx.xxx ansible_user=debian ansible_ssh_private_key_file=~/.ssh/my_deploy_pubkey
+myorg.mdx-proxy-2     ansible_host=xxx.xxx.xxx.xxx ansible_user=debian ansible_ssh_private_key_file=~/.ssh/my_deploy_pubkey
 
 # Hosts that receive the mdsigner role
 [mdsigner]
-mdx-signer
+myorg.mdx-signer
 
 # Hosts that receive the mdproxy role
 [mdproxy]
-mdx-proxy-1
-mdx-proxy-2
+myorg.mdx-proxy-1
+myorg.mdx-proxy-2
 
 # Hosts that receive the GeoDNS role
 [geodns]
-mdx-proxy-1
-mdx-proxy-2
+myorg.mdx-proxy-1
+myorg.mdx-proxy-2
 
 # All hosts for base role
 [all:children]