Merge branch '24-tests-in-gitlab' of gitlab.bytemark.co.uk:open-source/flexnbd-c into 25-retire-rake

.gitlab-ci.yml

@@ -0,0 +1,11 @@
+image: "ruby:2.1"
+
+before_script:
+  - apt-get update; apt-get install -y check libev-dev net-tools
+
+unit_test:
+  script:
+  - rake clean
+  - rake flexnbd
+  - rake flexnbd_proxy
+  - rake test:run