Add Quantum public network support.

Implements blueprint quantum-public-network.

Change-Id: I975532468b95c9198091ebf85c475d341d7e861a
Fix PEP8 issues.

Fix some pep8 issues in manage.py make the code looks pretty.

Change-Id: I0e02ed538dbef9ab41a3c698e94ac56e4afc018e
Make sure quota error message is displayed in overview page.

Fixes bug 1040799.

This commit fixes the bug that error message "Unable to retrieve quota
information" detected during rendering nova/overview page is displayed
after moving to the next page.

Change-Id: I647a02a216b803e6fd17d4849437a77b680f84af
Fix BatchAction class incongruence between documentation and code
Fixes launchpad bug #1044424

The BatchAction class in the tables package define the success_url variable in the docs but use completion_url in the code.

Change-Id: Ia93eeee4eccb4250d4b0984f38585175de738907
Merge "Fix PEP8 issues."
Merge "Fix BatchAction class incongruence between documentation and code Fixes launchpad bug #1044424"
Merge "Add Quantum public network support."
Use device name from nova for attach message.

Fixes bug #1042974.

Change-Id: I4db50f71c51cba45fd304c7847581609f646a0fb
Adds a method for overriding specific API messages.

Also provides a specific error message for dependent snapshots
during volume deletion.

Fixes bug 1037241. Fixes bug 1020326.

Change-Id: I40e5f537bc1806ec97c21f3eeea1d74beca04250
Don't poll on instances in a shutoff state.

Fixes bug 1044027.

Change-Id: I0c3de9a59b85ca8d314e717599fcf0a40a96dec8
Preserve add-to-field after form error.

Fixes bug 1037302.

Change-Id: I827f1b74efc6835dfac1fdcdc7c2a7c12af421eb
Merge "Adds a method for overriding specific API messages."
Merge "Preserve add-to-field after form error."
Merge "Don't poll on instances in a shutoff state."
Adds a docs example for a customization module.

Fixes bug 1032430.

Change-Id: I8ad152c44109a8bf9d551c46b16506aaeeda2ee2
Fixes workflows to work without javascript.

Fixes bug 1006170.

Change-Id: I8b873f06553208c7b257bd1c013809ed88a0ef60
Merge "Adds a docs example for a customization module."
Merge "Fixes workflows to work without javascript."
Adds release notes for 2012.2 "Folsom".

Change-Id: If9091964ac5c4df19d2fa6c1b5168d5cdbf309f9
Admin panel: Don't poll shutoff instances

Fixes bug 1048849.

Change-Id: Ia2d00bedb71d896e29ee370bfb9628b1ac409d8c