Merge pull request #10 from tseaver/master

Get tests passing on Python 3.2
Merge pull request #11 from tseaver/master

Prune MeldParser to essentials (hide on Python >= 2.7).
Credit Tres Seaver for Python 3 support in the changelog
Add classifiers for Python 3
Remove example.py and melddiff.py
Remove support for ``python meld3.py <file> <mutator>``
Merge branch 'master' of github.com:Supervisor/meld3 into note_backward_incompat-1.0

Conflicts:
	CHANGES.txt
	setup.py