adding .manpages script to swift client
adding .manpages script to swift client

this is the same script as in swift core

Change-Id: Ib9ea882cf7c1ba1d663254d38c7ac163b55e45da

openstack/python-swiftclient,sohonetlabs/python-swiftclient,jeseem/python-swiftclient,sohonetlabs/python-swiftclient,jeseem/python-swiftclient,openstack/python-swiftclient