basic API service

[Eran Gampel]

implement the basic boilerplate for the smaug APIs, using WSGI and OSLO services.
as an example, you can look at :
https://github.com/openstack/neutron/blob/master/neutron/wsgi.py

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/247440

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/247440
Committed: https://git.openstack.org/cgit/openstack/smaug/commit/?id=b2a624c783e6059dc22f6e5f2b1b668b7140404e
Submitter: Jenkins
Branch: master

commit b2a624c783e6059dc22f6e5f2b1b668b7140404e
Author: chenying <email address hidden>
Date: Thu Nov 19 19:17:04 2015 +0800

    basic API service

    Implement the basic boilerplate for the smaug APIs, using WSGI and
    OSLO services.
    Smaug-api service now can respond the request of the resource plans.

    Follow these steps to using smaug API service:

    1 download the source code form github.

    2 install dependency libraries
    pip install -r requirements.txt

    3 install smaug API service
    python setup.py install

    4 start smaug API service
    python /usr/local/bin/smaug-api --config-file /etc/smaug/smaug.conf

    4 using the resource plans RESTAPI (now only available with auth_strategy noauth )
    http://10.229.46.128:8799/v1/55daed3cc6da42c6aa25e55d15bb1757/plans

    Closes-Bug: #1514745
    Change-Id: Id27c624714c1839818937b94c1ecd33f393ec282