add liberasurecode gate jobs

Add unit testing in the gate for liberasurecode C library

Change-Id: I8889fbe20dfe6c323c21cbfe6ff7a01436c22c9e
Signed-off-by: Thiago da Silva <thiago@redhat.com>

jenkins/jobs/liberasurecode.yaml

@@ -0,0 +1,16 @@
+- job:
+    name: 'gate-liberasurecode-unit'
+    node: 'ubuntu-trusty'
+
+    builders:
+      - gerrit-git-prep
+      - install-distro-packages
+      - shell: |
+          #!/bin/bash -xe
+          ./autogen.sh
+          ./configure
+          make
+          make test
+
+    publishers:
+      - console-log

zuul/layout.yaml

@@ -7230,7 +7230,10 @@ projects:
   - name: openstack/liberasurecode
     template:
       - name: merge-check
-      - name: noop-jobs
+    check:
+      - gate-liberasurecode-unit
+    gate:
+      - gate-liberasurecode-unit
 
   - name: openstack/magnum
     template: