Use OrderedDict for feed XML attribs
sort attributes for consistent output
Merge pull request #1 from avaris/attribute-order

sort attributes for consistent output
Fixed: https://github.com/dmdm/feedgenerator-py3k/issues/2

In setup.py:
- corrected name of test suite
- added zip_safe=False flag
Merge branch 'master' of https://github.com/dmdm/feedgenerator-py3k
self._write wants a unicode string on python 2.
Add python 3.3 to tox
Merge pull request #3 from saimn/fix-py27

self._write wants a unicode string on python 2
Merge branch 'master' of dmdm/feedgenerator-py3k

Preparing for 1.6 release
Update the version to 1.6