GitLab

Refs: #3632

Refs: 3867

Refs: #3867

Refs: #3867

Commands affected: server_create/start/shutdown/reboot

Also, the wait functionality is now encapsulated in a _server_wait class
The server_wait command is just an implementation of this class.

    Modify print_list/dict/items methods of kamaki.cli.utils to be simpler
    and print output in a simpler form

    key: value
    key:
        key: value
        key:
            key: value
            ...
        key:
            list-item

            list-item
        key-for-list-of-dicts:
            key: value
            key: value

            key: value
            ...

New commands:

floatingip list/create/delete/info/pools
server ip attach/detach

Also, renamed the assoc/disassoc floating ip clients methods to
attach/detach_floating_ip

Refs: #3964

Usage:
cl.XxxClient(...)
cl.CONNECTION_RETRY_LIMIT = 5
cl.<methods>

write failed to recover config memory repr. after writing in disk

Refs: #4030

Refs: #4030

Refs: #4030

- configuration section, with clouds
- Simple listing
- Pithos advanced listing