Add template for env with mitaka on Ubuntu 14.04 (trusty)

Also was added ability to overrides parameters in mitaka/newton
templates.
Change-Id: I4a57b0116baf29eab6e60f797a4e30853b02252f
diff --git a/tcp_tests/templates/virtual-mcp-sl-os/openstack.yaml b/tcp_tests/templates/virtual-mcp-sl-os/openstack.yaml
index fe35460..362804f 100644
--- a/tcp_tests/templates/virtual-mcp-sl-os/openstack.yaml
+++ b/tcp_tests/templates/virtual-mcp-sl-os/openstack.yaml
@@ -23,13 +23,13 @@
   skip_fail: false
 
 - description: Restart apache due to PROD-10477
-  cmd: salt --hard-crash --state-output=mixed --state-verbose=False 'ctl*' cmd.run "systemctl restart apache2"
+  cmd: salt --hard-crash --state-output=mixed --state-verbose=False 'ctl*' cmd.run "service apache2 restart"
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 15}
   skip_fail: false
 
 - description: Check apache status to PROD-10477
-  cmd: salt --hard-crash --state-output=mixed --state-verbose=False 'ctl*' cmd.run "systemctl status apache2"
+  cmd: salt --hard-crash --state-output=mixed --state-verbose=False 'ctl*' cmd.run "service apache2 status"
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 15}
   skip_fail: false