Improve docs for running IPA in Devstack

Documented what the settings are in the localrc, as well as adding the
credentials for swift so when your localrc is setup as documented,
devstack runs without prompting.

Change-Id: Ie965a6c3b4f97b14e97e78e8cf77c789a891a387
iLO Management Interface

This commit is to support management Interface for HP ProLiant Servers
using iLO client python library.

Change-Id: I2d909c682b0db6d6bc447c433e3448d31d3558a4
Implements: blueprint ilo-management-interface
Change methods from classmethod to staticmethod

Some of "class" methods do not use "cls" parameter, they can be
changed to "static" methods.

Change-Id: If1a327b550d5ae5d1ffa620006b44fa91e6d9a55
Merge "Improve docs for running IPA in Devstack"
Merge "iLO Management Interface"