Implement the custom role concept

- Custom Ansible roles can be stored in the `roles/custom` directory
- The list `custom_roles` determines which roles are included

roles/custom/fvs/files/lmn-sync

@@ -0,0 +1,20 @@
+#!/usr/bin/bash
+#
+# Synchronize local program directory and desktop starters
+#
+set -eu
+
+if ! nslookup server; then
+  exit 0
+fi
+
+#[[ -d /usr/local/lmn ]] || mkdir -p /usr/local/lmn
+#rsync -rlptD --chown=pgmadmin:root --chmod=F755,D755 rsync://server:/local-program/ /usr/local/lmn
+
+RSYNC_COMMAND=$(rsync -ai --delete --exclude=mimeinfo.cache \
+	           --chown=root:root --chmod=F644,D755 "rsync://server:/desktopstarter" \
+		   /usr/local/share/applications/ | sed '/ \.\//d')
+if [[ $? -eq 0 ]] && [[ -n "${RSYNC_COMMAND}" ]]; then
+    echo "${RSYNC_COMMAND}"
+    update-desktop-database /usr/local/share/applications
+fi