Added baas installation

templates/baas-silent-install.conf.j2

diff --git a/templates/baas-silent-install.conf.j2 b/templates/baas-silent-install.conf.j2
index 6973e1b..d823d4d 100644
--- a/templates/baas-silent-install.conf.j2
+++ b/templates/baas-silent-install.conf.j2
@@ -61,7 +61,7 @@
 {% if baas_load_balancer_host is defined and baas_load_balancer_host and baas_load_balancer_port is defined and baas_load_balancer_port %}
 BAAS_USERGRID_URL="http://{{ baas_load_balancer_host }}:{{ baas_load_balancer_port }}"
 {% elif groups['portal'][0] is defined and groups['baas'][0] and baas_portal_port is defined and baas_portal_port %}
-BAAS_USERGRID_URL="http://{{ groups['baas'][0][private_address'] }}:{{ baas_load_balancer_port }}"
+BAAS_USERGRID_URL="http://{{ groups['baas'][0][private_address] }}:{{ baas_load_balancer_port }}"
 {% endif %}
 
 # API BaaS Portal information.