initial changes and cleanup prior to service management code

vars/bigboot_vars.yml

@@ -0,0 +1,15 @@
+---
+bigboot_size_target: 1G
+ansible_ssh_retries: 10
+
+# Max value in minutes for the timeout threshold:
+bigboot_service_max_timeout: 2
+
+# List of services which will be excluded from being disabled:
+bigboot_protected_services:
+  - sshd.service
+  - user@0.service
+  - network
+  - rhnsd.service
+  # - rhnsd
+  - boksm.service