Skip docutils version 13.1

docutils version 13.1 is causing issues with remote images. At first,
we added :remote: for each image, however, that caused the images to not
appear.
We will be skipping version 13.1, until the docutils bug [1] will be
resolved.

[1] https://sourceforge.net/p/docutils/bugs/301/

Change-Id: I50f27978ec6748754e78bec5d1d35786b210cdeb

README.rst

@@ -4,7 +4,6 @@ Team and repository tags
 
 .. image:: http://governance.openstack.org/badges/python-karborclient.svg
     :target: http://governance.openstack.org/reference/tags/index.html
-    :remote:
 
 .. Change things from this point on
 
@@ -14,12 +13,10 @@ Karbor
 .. image:: https://img.shields.io/pypi/v/python-karborclient.svg
     :target: https://pypi.python.org/pypi/python-karborclient/
     :alt: Latest Version
-    :remote:
 
 .. image:: https://img.shields.io/pypi/dm/python-karborclient.svg
     :target: https://pypi.python.org/pypi/python-karborclient/
     :alt: Downloads
-    :remote:
 
 
 Karbor Mission Statement

test-requirements.txt

@@ -6,6 +6,7 @@ hacking<0.11,>=0.10.2 # Apache-2.0
 
 coverage>=4.0 # Apache-2.0
 python-subunit>=0.0.18 # Apache-2.0/BSD
+docutils>=0.11,!=0.13.1  # OSI-Approved Open Source, Public Domain
 sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0