add travis/zuul/saucelabs testing

Author: feross

.travis.yml

@@ -0,0 +1,7 @@
+language: node_js
+node_js:
+- '0.10'
+env:
+  global:
+  - secure: UOzXsaDRo/x7DYmfkhWHCSMf42tqJY7kuL+YcId8kK84Ffn6UN3FVHQBzIE4Ri7zH3h83lGrjkp8FZeONovRXWC/2HF5idI3FwKDiAFhpRkJvXDH72CcmLr9atMV66WVUWLWUUWbMRL8TNRk5Hhgm/y70fcy+jTYInUyX4X+lqA=
+  - secure: R0xq3sNFDJRI08/25Vz0cJ14rEo6U/aL3D0J8QkoBb21ZQORqzTL6/3WR3tSnh+X+VKELpjS5L0G4qVgJmFQcQkyBFz+rTkcJHkE/IjO9EMV+P3EAetXirTaHBahcg33i3kOAJl4qCi9b/Y4c3atkt+ooGz3Hc67IEkHddYqp/E=

.zuul.yml

@@ -0,0 +1,18 @@
+ui: tape
+browsers:
+  - name: chrome
+    version: 26..latest
+  - name: firefox
+    version: 21..latest
+  - name: safari
+    version: 5..latest
+  - name: ie
+    version: 6..latest
+  - name: opera
+    version: 11..latest
+  - name: iphone
+    version: 4.3..latest
+  - name: ipad
+    version: 4.3..latest
+  - name: android
+    version: 4.0..latest

Readme.md

@@ -3,6 +3,8 @@
 
 A simple JSONP implementation.
 
+[![saucelabs][saucelabs-image]][saucelabs-url]
+
 ## Installation
 
 Install for node.js or browserify using `npm`:
@@ -36,3 +38,6 @@ Returns a function that, when called, will cancel the in-progress jsonp request
 ## License
 
 MIT
+
+[saucelabs-image]: https://saucelabs.com/browser-matrix/jsonp.svg
+[saucelabs-url]: https://saucelabs.com/u/jsonp