build: add Travis CI integration

Use the container-based travis-ci.org infrastructure to run only the unit
tests.

Change-Id: I4f7d011edb07341a668fa6fea495f6eb2a9c029b
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>

.travis.yml

@@ -0,0 +1,14 @@
+language: c
+
+compiler:
+  - gcc
+  - clang
+
+sudo: false
+
+addons:
+  apt:
+    packages:
+      - libcunit1-dev
+
+script: ./unittest.sh

unittest.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -xe
+
+make -C test/lib/nvme/unit
+
+test/lib/nvme/unit/nvme_c/nvme_ut
+test/lib/nvme/unit/nvme_ctrlr_c/nvme_ctrlr_ut
+test/lib/nvme/unit/nvme_ctrlr_cmd_c/nvme_ctrlr_cmd_ut
+test/lib/nvme/unit/nvme_ns_cmd_c/nvme_ns_cmd_ut
+test/lib/nvme/unit/nvme_qpair_c/nvme_qpair_ut