add a Travis build

Author: SethTisue

.travis.yml

@@ -0,0 +1,14 @@
+sudo: false
+cache:
+  directories:
+  - $HOME/.ivy2
+  - $HOME/.sbt/boot
+  - $HOME/.sbt/launchers
+  - $HOME/.coursier
+jdk: oraclejdk8
+language: scala
+script:
+  - sbt test package
+before_cache:
+  - find $HOME/.sbt -name "*.lock" | xargs rm
+  - find $HOME/.ivy2 -name "ivydata-*.properties" | xargs rm