Use "href" instead of "id" in the message body.

Change-Id: I0afbfd04ec9003d8db1fa1bc8099d558c845f348
Implements: blueprint v1-api
Use "href" instead of "id" in the claimed messages.

Implements: blueprint v1-api

Change-Id: I45a1b1147f318995b6b7802e4512dc75dcddba43
Add the "href" field to listing queues.

Change-Id: I075608016094249a472a25d2e1905d87cbd374e8
Implements: blueprint v1-api
Queue stats in MongoDB.

The patch implements stats methods for mongodb's queue controller and
uses the `MessageController.active` method to get valid messages present
in the queue.

Implements: blueprint storage-mongodb

Change-Id: I8a2d32ebeef9a8dd4b2131b522f026d9c5d0cd6e
Implemented marconi-server entry point

This patch adds the first console_script for marconi server.

In order to use it it's enough to run setup.py either using develop or
install.

Side changes:
    The config now uses sys.argv[1:] if no custom cli args have been
    set.

Implements blueprint transport-base

Change-Id: I15732129d66b32fca2b818e9105b17f541094983
Remove unused code in storage.

 - stats() on claims;
 - constants not handled by storage.

Change-Id: Ia70193c345e1ba515bdf0cf2a35c976ae5706668
Implements: blueprint storage-base
Merge "Implemented marconi-server entry point"