Merge branch 'refactor'

.travis.yml

@@ -1,5 +0,0 @@
-language: node_js
-sudo: false
-node_js:
-  - stable
-  - 4

Gulpfile.js

@@ -49,6 +49,7 @@ gulp.src('src/**/*.js')
 });
 
 gulp.task('coveralls', ['test'], function(){
+  process.env.COVERALLS_SERVICE_JOB_ID = process.env.APPVEYOR_BUILD_NUMBER
   gulp.src('coverage/**/lcov.info')
   .pipe(coveralls())
 });