Updating shelljs to 0.2.6. Copy now preserves mode bits.

bin/node_modules/shelljs/scripts/generate-docs.js

@@ -7,6 +7,12 @@ cd(__dirname + '/..');
 
 // Extract docs from shell.js
 var docs = grep('//@', 'shell.js');
+
+docs = docs.replace(/\/\/\@include (.+)/g, function(match, path) {
+  var file = path.match('.js$') ? path : path+'.js';
+  return grep('//@', file);
+});
+
 // Remove '//@'
 docs = docs.replace(/\/\/\@ ?/g, '');
 // Append docs to README

bin/node_modules/shelljs/scripts/run-tests.js

@@ -16,7 +16,7 @@ if (!test('-f', JSHINT_BIN)) {
   exit(1);
 }
 
-if (exec(JSHINT_BIN + ' --config jshint.json *.js test/*.js').code !== 0) {
+if (exec(JSHINT_BIN + ' *.js test/*.js').code !== 0) {
   failed = true;
   echo('*** JSHINT FAILED! (return code != 0)');
   echo();