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Conflicts:
	docs/older/Changelog.pithos-app
	snf-astakos-app/astakos/im/api/__init__.py
	snf-pithos-app/pithos/api/util.py

Conflicts:
	snf-astakos-app/astakos/im/messages.py

use the new synnefo.user method `get_username` to populate
personal/shared images.

kvm-vif-bridge is provided by snf-network. Remove it from the synnefo
repo to avoid confusion.

Prefetch all holdings required for update with a specified order
(by entity/resource pair).

Refs #3560

landing instead of user profile

Refs: #3519

Stamp Database Revision section

Refs: #3554

Refs: #3561

Since v0.13, all Synnefo components will have the same version and the
same Changelog, NEWS, Upgrade, Copyright file. This patch addresses
old Changelog, NEWS and Upgrade files:

 * Move all separate Changelog files under docs/older/
 * Move all separate Upgrade files under docs/older/
 * Add skeleton for the new, single, unified Changelog file
 * Add skeleton for the new, single, unified NEWS file

Copyright files will follow with a separate patch.

Refs: #3561

Use the python-objpool package for pooling resources as object, instead
of the pooling code that existed in snf-common ('synnefo.lib.pool')

Refs #3524