Merge pull request #109 from xuwei-k/scalariform

check scalariform in travis

Author: analytically

.travis.yml

@@ -10,3 +10,6 @@ env:
 - JDK=openjdk8
 before_script:
   - jdk_switcher use $JDK
+script:
+- sbt "++ ${TRAVIS_SCALA_VERSION}!" test
+- git diff --exit-code # check scalariform