build: moved copy node modules ahead of tslint

tasks/build_task.js

@@ -8,10 +8,10 @@ module.exports = function(grunt) {
     'jshint:source',
     'jshint:tests',
     'jscs',
-    'exec:tslint',
     'clean:release',
     'copy:node_modules',
     'copy:public_to_gen',
+    'exec:tslint',
     'exec:tscompile',
     'karma:test',
     'phantomjs',