Python 2 had old style and new style classes. Python 3 has only new
style classes. There is no point to subclass from object any more.

See: https://pagure.io/freeipa/issue/7715
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>

Add absolute_import from __future__ so that pylint
does not fail and to achieve python3 behavior in
python2.

Reviewed-By: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>

FileStore.backup_file() docstring claimed not to store a
copy of the same file but the behavior of the method did not
match this description.

This commit makes the backed-up file filename derivation
deterministic by hashing its content by SHA-256, thus it
should not back up two files with the same filename and content.

Reviewed-By: Aleksei Slaikovskii <aslaikov@redhat.com>

Deprecate `ipa_log_manager.root_logger` and replace all calls to it with
module-level logger calls.

Reviewed-By: Martin Basti <mbasti@redhat.com>

DeprecationWarning: The SafeConfigParser class has been renamed
to ConfigParser in Python 3.2. This alias will be removed in
future versions. Use ConfigParser directly instead.

https://fedorahosted.org/freeipa/ticket/4985

Reviewed-By: Jan Cholasta <jcholast@redhat.com>
Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>

The certmonger and sysrestore modules depend on ipaplatform.

Move them to ipalib.install as they are used only from installers.

https://fedorahosted.org/freeipa/ticket/6474

Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>