BUILD add config file for Travis CI
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..8ab4513
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,12 @@
+language: c
+compiler:
+  - gcc
+  - clang
+os:
+  - linux
+  - osx
+branches:
+  only:
+    - master
+script: cmake . && make
+