Re-enable travis

Summary: Add travis config file.

Reviewed By: lucasr

Differential Revision: D3649004

fbshipit-source-id: 27f257246965db473dc85ec6fed6b9a32bc8a621

.travis.yml

@@ -0,0 +1,15 @@
+language:
+  - c
+  - java
+
+compiler: clang
+
+install:
+  - git clone https://github.com/facebook/buck.git /home/ubuntu/buck
+  - cd /home/ubuntu/buck && ant
+  - buck --version
+
+script:
+  - buck test //:CSSLayout
+  - buck test //:CSSLayout_java
+  - buck run  //:CSSLayout:benchmark