Swift updates

Remove patches that are merged upstream and update others.
Neutron updates

Remove patches that are merged upstream.
python-neutonclient updates

Update patches.
ceilometer updates

Remove patches that are merged upstream.
Use our own .conf file, we don't have tox to generate one.
python-ceilometerclient updates

Update patches.
python-cinderclient updates

Update patches.
ironic updates

Update patch.
python-ironicclient updates

Update patch.
Horizon updates

Update patches.
Remove custom theme.