Enhance .gitignore list
Enhance .gitignore list

Add further entries needed for python packaging

Change-Id: Ibf00524f36c81ab86c5bbc007c9615eb1e19a133

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