Fix file permissions for rackd.conf and regiond.conf

File.line resource changing group to root during the apply, it cause the issue
with starting of rackd service. DHCP also not working because of broken rackd.

Change-Id: I8f0504ae711ff521e838484b54b48caf1ca2fca0
diff --git a/maas/cluster.sls b/maas/cluster.sls
index 08a6f03..9fe61bf 100644
--- a/maas/cluster.sls
+++ b/maas/cluster.sls
@@ -47,6 +47,13 @@
   - require:
     - pkg: maas_cluster_packages
 
+# salt.states.file.line doesn't support setting owner/group in Salt version 2016.3.6
+# Starting from version 2016.11.0 we may remove code below and set owner/group in file.line
+/etc/maas/rackd_conf:
+  file.managed:
+  - name: /etc/maas/rackd.conf
+  - group: maas
+
 maas_cluster_services:
   service.running:
   - enable: true
@@ -56,4 +63,4 @@
   - watch:
     - file: /etc/maas/rackd.conf
 
-{%- endif %}
\ No newline at end of file
+{%- endif %}
diff --git a/maas/region.sls b/maas/region.sls
index 7b8043c..f09f400 100644
--- a/maas/region.sls
+++ b/maas/region.sls
@@ -9,6 +9,7 @@
   file.managed:
   - source: salt://maas/files/regiond.conf
   - template: jinja
+  - group: maas
   - require:
     - pkg: maas_region_packages