Optimize 'noservices' condition and allow parallel testing (#14)

* Optimize 'noservices' condition

* Revert suites optimization

* Allow parallel testing

* Improve parallel tests

* Simplify 'noservices' condition
diff --git a/.kitchen.travis.yml b/.kitchen.travis.yml
new file mode 100644
index 0000000..f847543
--- /dev/null
+++ b/.kitchen.travis.yml
@@ -0,0 +1,6 @@
+suites:
+
+  - name: <%= ENV['SUITE'] %>
+    provisioner:
+      pillars-from-files:
+        neutron.sls: tests/pillar/<%= ENV['SUITE'] %>.sls