improve gulp task

Author: gschammah

.travis.yml

@@ -4,4 +4,3 @@ node_js:
 
 script:
   - npm test
-  - gulp lint

gulpfile.js

@@ -14,7 +14,7 @@ gulp.task('lint', function() {
 /**
  * Run test once and exit
  */
-gulp.task('test', function (done) {
+gulp.task('test', ['lint'], function (done) {
   karma.start(_.assign({}, karmaConf, {singleRun: true}), done);
 });