Revert removal of invalid characters from groups

Signed-off-by: Vasilis Tsiligiannis <acinonyx@openwrt.gr>

hamlib-utils.yml

 ---
-- hosts: hamlib_utils
+- hosts: hamlib-utils
   roles:
     - role: common
       tags:

production.dist/inventory/hosts

@@ -6,16 +6,16 @@ all:
       ansible_user: 'pi'
       ansible_ssh_pass: 'raspberry'
       ansible_ssh_pipelining: true
-satnogs_setups:
+satnogs-setups:
   hosts:
     satnogs:
-satnogs_radios:
+satnogs-radios:
   hosts:
     satnogs:
-hamlib_utils:
+hamlib-utils:
   hosts:
     satnogs:
-satnogs_clients:
+satnogs-clients:
   hosts:
     satnogs:
 snmpds:

roles/satnogs-setup/files/etc/ansible/hosts

@@ -4,16 +4,16 @@ all:
     localhost:
       ansible_connection: 'local'
       ansible_python_interpreter: '{{ ansible_playbook_python }}'
-satnogs_setups:
+satnogs-setups:
   hosts:
     localhost:
-satnogs_radios:
+satnogs-radios:
   hosts:
     localhost:
-hamlib_utils:
+hamlib-utils:
   hosts:
     localhost:
-satnogs_clients:
+satnogs-clients:
   hosts:
     localhost:
 snmpds:

satnogs-clients.yml

 ---
-- hosts: satnogs_clients
+- hosts: satnogs-clients
   roles:
     - role: common
       tags:

satnogs-radios.yml

 ---
-- hosts: satnogs_radios
+- hosts: satnogs-radios
   roles:
     - role: common
       tags:

satnogs-setups.yml

 ---
-- hosts: satnogs_setups
+- hosts: satnogs-setups
   roles:
     - role: common
       tags: