Fix bug 1160704
* httplib2 doesn't work with unicode url and params. So encode all unicode
to utf-8 before request.
* Fix xml serializer doesn't work with unicode
* Decode command argument to unicode in main function
* Exception's message maybe include unicode, decode message to unicode
before logging or print.
* Sync the changing of serializer/deserilizer's code with quantum server code
https://review.openstack.org/#/c/25482/https://review.openstack.org/#/c/25046/https://review.openstack.org/#/c/21410/
* Enable xml test
Change-Id: Ib140e34d54cc916e2ea172e4bad9e4a77388723a
Remove unused methods in quantumclient.common.serializer.XMLDeserializer
that tries to access non existing attributes of xml node:
* find_first_child_named
* extract_text
* find_children_named
Change-Id: I0aff5933fa75e50748e9d0325d898c2f6836fa58
Fixes: bug #1132850
* Moved server-specific functionality found in quantum.common to
the quantum repo.
* Renamed primary package from quantum -> quantumclient.
* Addresses bug 977711 and bug 921933
Change-Id: If34553924c8dfcc6b148c1d91f173a4b81eeb95a
