fix(gulp): watch needs to take an array as arg

Author: stevemao

templates/common/root/_gulpfile.js

@@ -102,24 +102,23 @@ gulp.task('start:server:test', function() {
 });
 
 gulp.task('watch', function () {
-
-  $.watch({glob: paths.styles})
+  $.watch(paths.styles)
     .pipe($.plumber())
     .pipe(styles())
     .pipe($.connect.reload());
 
-  $.watch({glob: paths.views.files})
+  $.watch(paths.views.files)
     .pipe($.plumber())
     .pipe($.connect.reload());
 
-  $.watch({glob: paths.scripts})
+  $.watch(paths.scripts)
     .pipe($.plumber())
     .pipe(lintScripts())<% if (coffee) { %>
     .pipe($.coffee({bare: true}).on('error', $.util.log))
     .pipe(gulp.dest('.tmp/scripts'))<% } %>
     .pipe($.connect.reload());
 
-  $.watch({glob: paths.test})
+  $.watch(paths.test)
     .pipe($.plumber())
     .pipe(lintScripts());