Add /etc configs into python egg

[Evgeniy L]

For packaging it's required to add '/etc' config to python egg.

Also `/doc` and `/cloud-init-templates` directory has to be added.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/307338
Committed: https://git.openstack.org/cgit/openstack/bareon/commit/?id=2b55732d372b6cd1600f507030c5ed59b1cafecb
Submitter: Jenkins
Branch: master

commit 2b55732d372b6cd1600f507030c5ed59b1cafecb
Author: Evgeny L <email address hidden>
Date: Mon Apr 18 18:33:14 2016 +0300

    Add doc, etc and cloud-init-templates directories to python egg

    For upstream packaging system it's required to have all
    files which are required for package build in tarball.

    Change-Id: Ia35bfb54a528b14804a7c447ddd9e4eb77959c81
    Closes-bug: #1571669

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/307350
Committed: https://git.openstack.org/cgit/openstack/bareon/commit/?id=fa8e43f1d99d4af3cb589f398787c5c9e98f185c
Submitter: Jenkins
Branch: master

commit fa8e43f1d99d4af3cb589f398787c5c9e98f185c
Author: Evgeny L <email address hidden>
Date: Mon Apr 18 19:04:14 2016 +0300

    Release 0.0.1.a2 version

    Closes-bug: #1571669
    Change-Id: Iec318c95669e591bdf1b411664ab0c7b300087db

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/307672

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/307672
Committed: https://git.openstack.org/cgit/openstack/bareon/commit/?id=4f9b4236971f1790a5a41176b26bedc2760ef4ff
Submitter: Jenkins
Branch: master

commit 4f9b4236971f1790a5a41176b26bedc2760ef4ff
Author: Evgeny L <email address hidden>
Date: Tue Apr 19 12:28:16 2016 +0300

    Release 0.0.1.a3 version

    Change-Id: I8e07b9ecd048b784930cdeeb85b76cffd4d3bfc7
    Closes-bug: #1571669