Fix #188: put ordering of copy files before package.json generation

Author: jyapayne

command_line.py

@@ -907,13 +907,12 @@ def make_output_dirs(self, write_json=True):
                                        ['*'+output_blacklist+'*']),
                             whitelist=whitelist_vals)
 
+        self.copy_files_to_project_folder()
 
         if write_json:
             self.write_package_json()
             self.file_tree.refresh()
 
-        self.copy_files_to_project_folder()
-
         for ex_setting in self.settings['export_settings'].values():
             self.process_export_setting(ex_setting, output_name)