Sanitize file paths
Sanitize file paths

Some absolute paths are computed at runtime and give result that are not
suitable for publishing. This patch sanitize such paths.

Change-Id: I0b4569de50ce6d75f87f2976654d7534bb91df2a

savinash47/openstack-doc-tools,savinash47/openstack-doc-tools,savinash47/openstack-doc-tools,openstack/openstack-doc-tools,openstack/openstack-doc-tools