Merge branch 'python-systemd-reader'

* python-systemd-reader:
  python-systemd: rename Journal to Reader
  build-sys: upload python documentation to freedesktop.org
  systemd-python: add Journal class for reading journal
  python: build html docs using sphinx
  journalct: also print Python code in --new-id
  python: utilize uuid.UUID in logging
  python: add systemd.id128 module
  ... and 34 other commits

In short: python module systemd.id128 is added, and existing
systemd.journal gains a new class systemd.journal.Reader, which can be
used to iterate over journal entries. Documentation is provided, and
accessible under e.g.
    pydoc3 systemd.journal.Reader
or
    firefox http://www.freedesktop.org/software/systemd/man/python-systemd/

diff --cc Makefile.am
Simple merge

diff --cc configure.ac
Simple merge

diff --cc src/journal/journalctl.c
Simple merge