-numerous changes to work with Raspbian 10

-redo of some roles, particularly GUI
-modifications to support working from a "Raspbian Lite" install

roles/samba-server/defaults/main.yml

@@ -1,17 +1,17 @@
----
-ubuntu_samba_packages:
-  - samba
-  - samba-common
-  - python-glade2
-  - system-config-samba
-workgroup: DEMO
-public_share_name: share
-public_share_path: /media/share
-private_share_name: private
-private_share_path: /media/private
-samba_group_name: smbgrp
-samba_users:
-  - name: 'demo'
-    smbpasswd: 'Demo123'
-  - name: 'pi'
-    smbpasswd: 'pipasswd' 
+---
+ubuntu_samba_packages:
+  - samba
+  - samba-common
+  - python-glade2
+    #  - system-config-samba
+workgroup: DEMO
+public_share_name: share
+public_share_path: /media/share
+private_share_name: private
+private_share_path: /media/private
+samba_group_name: smbgrp
+samba_users:
+  - name: 'demo'
+    smbpasswd: 'Demo123'
+  - name: 'pi'
+    smbpasswd: 'pipasswd'