Nagiosplugin

------------------

- Mention that nagiosplugin also runs with Python 3.4 (no code changes
necessary).
- Make name prefix in status output optional by allowing to assign None to
Check.name.
- Accept bare metric as return value from Resource.probe().
- Fix bug where Context.describe() was not used to obtain metric description
(13162).

------------------

- Fix build failures with LANG=C (13140).
- Remove length limitation of perfdata labels (13214).
- Fix formatting of large integers as Metric values (13287).
- Range: allow simple numerals as argument to Range() (12658).
- Cookie: allow for empty state file specification (12788).

----------------

- New `Summary.empty` method is called if there are no results present (11593).
- Improve range violation wording (11597).
- Ensure that nagiosplugin install correctly with current setuptools (12660).
- Behave and do not attach anything to the root logger.
- Add debugging topic guide. Explain how to disable the timeout when using pdb
(11592).

----------------

- Identical to 1.1b1.

------------------

- Made compatible with Python 2.6 (12297).
- Tutorial 3: check_users (11539).
- Minor documentation improvements.

------------------

- LogTail returns lines as byte strings in Python 3 to avoid codec issues
(11564).
- LogTail gives a line-based iterator instead of a file object (11564).
- Basic API docs for the most important classes (11612).
- Made compatible with Python 2.7 (11533).
- Made compatible with Python 3.3.