Revert wrong commit

This reverts commit cf9b4e0bba5f5b8b111581df4836aac9cf08a40c.
docs: Update obsolete intersphinx mappings

Update the obsolete intersphinx mappings for Synnefo projets in conf.py
docs: Minor fixes
psycopg2: Verify the pooled connections correctly
docs: Update references to the old repository.
docs: Follow up to remove references to old repo

* Remove/Update a lot of references from the old repo (code.grnet.gr) to
the new one (github.com/grnet/synnefo).
* Remove obsolete Integrator's Guide.
cyclades: Update help msgs on snf-manage commands

* Print the default value of --wait option in snf-manage help of:
    - port-create
    - port-remove
    - server-create
    - server-modify
    - server-remove
cyclades: Update argument names of snf-manage cmds

* Update various snf-manage commands to use "--user" instead of
"--owner/--userid/--user-id"
* Update server-create and server-import to use --flavor instead of
--flavor-id
* Update server-create and server-import to use --image instead of
--image-id
* Update subnet-create to use --network instead of --network-id
docs: Update docs to comply with previous commit

* Update docs and Changelog to reflect changes introduced in the
previous commit.