'Copy all files currently on disk that end with the .sample extension to the
directory to which dest_path refers.'

def copy_disk_sample_files_to_dir(self, repo_files_dir, dest_path):

    sample_files = []
    for (root, dirs, files) in os.walk(repo_files_dir):
        if (root.find('.hg') < 0):
            for name in files:
                if name.endswith('.sample'):
                    relative_path = os.path.join(root, name)
                    tool_util.copy_sample_file(self.app, relative_path, dest_path=dest_path)
                    sample_files.append(name)
    return sample_files
