added os_network and deprecated quantum_network

CHANGELOG.md

@@ -10,6 +10,7 @@ Major Changes:
 
 Deprecated Modules (new ones in parens):
   * ec2_ami_search (ec2_ami_find)
+  * quantum_network (os_network)
   * nova_compute   (os_server)
 
 New Modules:
@@ -34,6 +35,7 @@ New Modules:
   * cloudstack: cs_securitygroup_rule
   * cloudstack: cs_vmsnapshot
   * maven_artifact
+  * openstack: os_network
   * openstack: os_server
   * openstack: os_server_facts
   * openstack: os_server_volume