add siteroll, slicerole, tenantrole, and deploymentrole to Tosca
diff --git a/xos/tosca/resources/tenantrole.py b/xos/tosca/resources/tenantrole.py
new file mode 100644
index 0000000..316a5a3
--- /dev/null
+++ b/xos/tosca/resources/tenantrole.py
@@ -0,0 +1,29 @@
+# note: this module named xossite.py instead of site.py due to conflict with
+#    /usr/lib/python2.7/site.py
+
+import os
+import pdb
+import sys
+import tempfile
+sys.path.append("/opt/tosca")
+from translator.toscalib.tosca_template import ToscaTemplate
+
+from core.models import User, Deployment, TenantRole
+
+from xosresource import XOSResource
+
+class XOSTenantRole(XOSResource):
+    provides = "tosca.nodes.TenantRole"
+    xos_model = TenantRole
+    name_field = "role"
+
+    def get_xos_args(self):
+        args = super(XOSTenantRole, self).get_xos_args()
+
+        return args
+
+    def delete(self, obj):
+        super(XOSTenantRole, self).delete(obj)
+
+
+