Added .travis.yml

.travis.yml

@@ -0,0 +1,42 @@
+language: go
+
+os:
+  - linux
+  - osx
+
+go:
+  - 1.2.x
+  - 1.3.x
+  - 1.4
+  - 1.5.x
+  - 1.6.x
+  - 1.7.x
+  - 1.8.x
+  - 1.9.x
+  - 1.10.x
+  - tip
+
+matrix:
+    exclude:
+        - os: osx
+          go: 1.2.x
+        - os: osx
+          go: 1.3.x
+        - os: osx
+          go: 1.4
+        - os: osx
+          go: 1.5.x
+        - os: osx
+          go: 1.6.x
+
+before_install:
+  - if [[ $TRAVIS_GO_VERSION == 1.10* ]]; then go get github.com/axw/gocov/gocov github.com/mattn/goveralls; fi
+
+script:
+  - go test -v -tags ci ./...
+  - if [[ $TRAVIS_GO_VERSION == 1.10* ]]; then $GOPATH/bin/goveralls -service=travis-ci -ignore="examples/colorpalette/main.go"; fi
+
+notifications:
+  email:
+    on_success: change
+    on_failure: always