Added Kitchen tests and Travis

Change-Id: Ie5620ef3c416df76287d7864dbc46e0b9c66ab79
diff --git a/tests/pillar/pushgateway.sls b/tests/pillar/pushgateway.sls
new file mode 100644
index 0000000..583fcde
--- /dev/null
+++ b/tests/pillar/pushgateway.sls
@@ -0,0 +1,7 @@
+prometheus:
+  pushgateway:
+    enabled: true
+    bind:
+      address: 0.0.0.0
+      port: 9091
+    external_port: 15012