allowed direct command line invocation without gulp keyword

Author: benholloway

bin/gulp-es6-modular.js

@@ -0,0 +1,4 @@
+var gulp = require('../index');
+
+var task = process.argv[1];
+gulp.start(gulp.hasTask(task) ? task : 'default');

index.js

@@ -138,7 +138,6 @@ function hr(char, length, title) {
 
 // DEFAULT ---------------------------------
 var isMinify = (process.argv[process.argv.length - 1] !== 'nominify');
-var task     =  process.argv[process.argv.length - 1 - Number(!isMinify)];
 
 gulp.task('default', [ 'watch' ]);
 
@@ -419,7 +418,4 @@ gulp.task('watch', [ 'server' ], function() {
   }, queue.getHandler('html', 'reload'));
 });
 
-// KICKOFF ---------------------------------
-if (process.argv.indexOf('gulp') < 0) {
-  gulp.start(gulp.hasTask(task) ? task : 'default');
-}
+module.exports = gulp;