RCCN: Add vsat param to config_values

This will be used in future commits to RCCN

modules/rhizo_base/templates/config_values.py.erb

@@ -40,6 +40,7 @@ riak_ip_address = "<%= @riak_ip_address %>"
 mncc_ip_address = "<%= @mncc_ip_address %>"
 sip_central_ip_address = <%= @sip_central_ip_address %>
 webphone_prefix = <%= @webphone_prefix %>
+has_vsat = <%= @has_vsat %>
 
 # SITE settings
 # rate type can be "call" or "min"