Update cluster-manager to newest version

Author: glukhman

cosmo_tester/config_schemas/cfy_cluster_manager.yaml

@@ -1,4 +1,5 @@
 namespace: cfy_cluster_manager
 rpm_path:
   description: The cfy_cluster_manager RPM path to install.
-  default: 'https://repository.cloudifysource.org/cloudify/cloudify-cluster-manager/1.1.4/ga-release/cloudify-cluster-manager-1.1.4-ga.el7.x86_64.rpm'
+  default: 'https://repository.cloudifysource.org/cloudify/cloudify-cluster-manager/1.1.6/ga-release/cloudify-cluster-manager-1.1.6-ga.el7.x86_64.rpm'
+

cosmo_tester/test_suites/cluster/conftest.py

@@ -877,4 +877,3 @@ def _remove_cluster(node):
     # yum clean all doesn't clean all, so let's be more forceful
     node.log_action('Cleaning yum cache')
     node.run_command('sudo rm -rf /var/cache/yum')
-