some file missing newline at end of file

[Hiroki Aramaki]

When check rally project by flake8, no new line error is showed in following 3 files

/rally/task/types.py
/tests/functional/extra/fake_dir1/fake_plugin1.py
/tests/unit/plugins/openstack/wrappers/test_keystone.py

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/199370
Committed: https://git.openstack.org/cgit/openstack/rally/commit/?id=a99fc83c0911f754bd71a4e03ac7cd84c7405ccb
Submitter: Jenkins
Branch: master

commit a99fc83c0911f754bd71a4e03ac7cd84c7405ccb
Author: Hiroki Aramaki <email address hidden>
Date: Wed Jul 8 10:49:53 2015 +0900

    Some files missing newline at end of file

    Add new line at end of files. Python code styling guide(pep8) require
    new line at end of file. But some files missing newline at end of file.
    When check rally project by code checking tool (ex flake 8),
    no new line error is reported.This patch add new line to error reported files.

    Change-Id: Ibca2d8e90d826d8e02522f2d574e0033621d34fd
    Closes-Bug: #1472454