Create .travis.yml

Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>
Closes: https://github.com/xiph/flac/pull/28
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..a5bb068
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,9 @@
+language: c
+compiler:
+  - gcc
+  - clang
+os:
+  - linux
+  - osx
+script:
+  - ./autogen.sh && ./configure && make && make check