astakos: Modify base quota in bulk
Add option `--all' in command user-modify to support setting base quotafor all users. Exceptions can be specified with `--exclude'.
Also select user for update in user-modify.
docs: Add resource defaults design
docs: Add design doc for Cyclades networking
Add design document describing the basic concets of Cyclades networkingand the exposed API. Also, add a reference to this design from the'Network Service' document.
docs: Update projects design
Mention `resource-modify --update-existing-base-projects' and`reconcile-quota'; clarify cyclades and pithos API changes.
docs: Design of resource-pool projects
Docs: Add `design' section in index.rst
Also create the corresponding directory docs/design/. Allnew design docs should be placed under this directory, witha corresponding reference in the index page.