Add SSL ciphers argument only if supported, fixes Python 2.6 compat
Merge pull request #129 from mkai/_py26_ciphers_fix

Add SSL ciphers argument only if supported, fixes Python 2.6 compat
Moving the debug log at the proper place.

If we don't do this, we might get the following in the logs:

  2014-04-08 20:00:59,354 - DEBUG: Section 'r' matches
  2014-04-08 20:00:59,354 - DEBUG: Section 'r' does not match

which is a bit confusing.
Renaming the regex.py methods args for coherence.
Adding a new "authenticated" ACL type.

When set, all authenticated users will have rw permissions on all
collections, but no anonymous user will be able to read or write any
collection.
Merge pull request #140 from mike-perdide/regex_file_coherence

Regex file coherence
Merge pull request #142 from mike-perdide/authenticated_feature

Adding a new "authenticated" ACL type.
Add python3.4 support in tox
Add python 3.4 in setup.py
Fix "authenticated" method
Add some documentation about the "user" key in the "regex" rights module
Fix owner_* methods (fix #151)
Rely on dulwich <= 0.9.5 for python2.6 tests