fix(gitignore) : Ignore *.egg files
fix(gitignore) : Ignore *.egg files

Change-Id: If52f9570a17230af9636f5337973e506c142b0bc

VyacheslavHashov/python-swiftclient,JioCloud/python-swiftclient,varunarya10/python-swiftclient,VyacheslavHashov/python-swiftclient,citrix-openstack/build-python-swiftclient,sohonetlabs/python-swiftclient,ironsmile/python-swiftclient,iostackproject/IO-Bandwidth-Differentiation-Client,jeseem/python-swiftclient,citrix-openstack/build-python-swiftclient,varunarya10/python-swiftclient,JioCloud/python-swiftclient,openstack/python-swiftclient,iostackproject/IO-Bandwidth-Differentiation-Client,zackmdavis/python-swiftclient,citrix-openstack/build-python-swiftclient,jeseem/python-swiftclient,ironsmile/python-swiftclient,sohonetlabs/python-swiftclient,pratikmallya/python-swiftclient,zackmdavis/python-swiftclient,citrix-openstack-build/python-swiftclient,openstack/python-swiftclient,krnflake/python-hubicclient,citrix-openstack-build/python-swiftclient,pratikmallya/python-swiftclient