2012.1 "Essex"

bp/quantum-client-1.1

- Adds supports for 1.1 API
- Handles new error codes
- Support filters for 1.1 API

Addressing Dan's comments

Change-Id: I230657de1621ddf08573bbeaceeb26cafbee1a00

Additional small release needs

Change the pypi name to match the expected name.
Update versions in pip-requires to match other projects.
Add coverage support to tox.

Change-Id: Id02b039dc8c89bfdae1acc5adea06757cd326bb8