Change bug url to a correct one

The url for the python-openstackclient bugs is deprecated and
needs to change it to a correct one.

Change-Id: I3762faf27fdb647dbff2e47b19d238108ef1975f

Author: Huihuihh

doc/source/cli/man/openstack.rst

@@ -477,8 +477,8 @@ The following environment variables can be set to alter the behaviour of :progra
 BUGS
 ====
 
-Bug reports are accepted at the python-openstackclient LaunchPad project
-"https://bugs.launchpad.net/python-openstackclient/+bugs".
+Bug reports are accepted at the python-openstackclient StoryBoard project
+"https://storyboard.openstack.org/#!/project/975".
 
 
 AUTHORS

doc/source/index.rst

@@ -63,7 +63,7 @@ Developers may also be found in the `IRC channel`_ ``#openstack-sdks``.
 .. _`on OpenStack's Git server`: https://git.openstack.org/cgit/openstack/python-openstackclient/tree
 .. _Launchpad: https://launchpad.net/python-openstackclient
 .. _Gerrit: http://docs.openstack.org/infra/manual/developers.html#development-workflow
-.. _Bug reports: https://bugs.launchpad.net/python-openstackclient/+bugs
+.. _Bug reports: https://storyboard.openstack.org/#!/project/975
 .. _blueprints: https://blueprints.launchpad.net/python-openstackclient
 .. _PyPi: https://pypi.org/project/python-openstackclient
 .. _tarball: http://tarballs.openstack.org/python-openstackclient