openstack/swift - swift - OpenDev: Free Software Needs Free Tools

Fix shebang of following commands.
 $ grep '#!/usr/bin/python' swift/bin/*
 swift/bin/swift-account-info:#!/usr/bin/python
 swift/bin/swift-container-info:#!/usr/bin/python
 swift/bin/swift-container-sync:#!/usr/bin/python
 swift/bin/swift-recon:#!/usr/bin/python
 swift/bin/swift-ring-builder:#!/usr/bin/python
 swift/bin/swift-ring-builder-analyzer:#!/usr/bin/python
Change-Id: I564d1d8abd76eba57730fc2f30263b0a0f809867
Closes-Bug: #1481623 

Reuse common code; add unit tests; ensured coverage was at 100%.
Change-Id: Id6fcc7cb07fd178e00d43968e3e2cc03226fdc05

This is a very simple swift tool to retrieve information
of an account that is located on the storage node.
One can call the tool with a given account db file
as it is stored on the storage node system.
It will then return several information about that account.
Change-Id: Ibfeee790adc000fc177b4b3c03d22ff785fda325