fix typo and dont sync not exists packages

Author: fengmk2

controllers/registry/module.js

@@ -480,10 +480,9 @@ exports.addPackageAndDist = function *(next) {
   var name = this.params.name;
   var filename = Object.keys(pkg._attachments || {})[0];
   var version = Object.keys(pkg.versions || {})[0];
-
   if (!version || !filename) {
-    this.status = 403;
-    this.bdoy = {
+    this.status = 400;
+    this.body = {
       error: 'version_error',
       reason: 'filename or version not found, filename: ' + filename + ', version: ' + version
     };

sync/sync_all.js

@@ -106,7 +106,7 @@ function getMissPackages(callback) {
 }
 
 //only sync not exist once
-var syncNotExist = true;
+var syncNotExist = false;
 module.exports = function sync(callback) {
   var ep = eventproxy.create();
   ep.fail(callback);

test/controllers/registry/module.test.js

@@ -406,7 +406,7 @@ describe('controllers/registry/module.test.js', function () {
       .put('/' + pkg.name)
       .set('authorization', baseauth)
       .send(pkg)
-      .expect(403, function (err, res) {
+      .expect(400, function (err, res) {
         should.not.exist(err);
         res.body.should.eql({
           error: 'version_error',