Break out master config into stand-alone playbook

Added byo/openshift-master/config.yml as a new entry point for
performing master installation.

Excluder disable/enable for master has been moved to
common/openshift-master/config.yml to follow a standard pattern that
could be used for both installation and scaleup playbooks.

playbooks/byo/openshift-master/config.yml

@@ -0,0 +1,6 @@
+---
+- include: ../openshift-cluster/initialize_groups.yml
+
+- include: ../../common/openshift-cluster/std_include.yml
+
+- include: ../../common/openshift-master/config.yml

playbooks/byo/openshift-master/restart.yml

@@ -1,10 +1,6 @@
 ---
 - include: ../openshift-cluster/initialize_groups.yml
-  tags:
-  - always
 
 - include: ../../common/openshift-cluster/std_include.yml
-  tags:
-  - always
 
 - include: ../../common/openshift-master/restart.yml

playbooks/common/openshift-cluster/config.yml

@@ -35,12 +35,6 @@
   - loadbalancer
 
 - include: ../openshift-master/config.yml
-  tags:
-  - master
-
-- include: additional_config.yml
-  tags:
-  - master
 
 - include: ../openshift-node/config.yml
   tags:

playbooks/common/openshift-master/config.yml

@@ -217,6 +217,9 @@
     group_by: key=oo_masters_deployment_type_{{ openshift.common.deployment_type }}
     changed_when: False
 
+- include: additional_config.yml
+  when: not g_openshift_master_is_scaleup
+
 - name: Re-enable excluder if it was previously enabled
   hosts: oo_masters_to_config
   gather_facts: no