Python 3 support

[lordmauve]

Build dependencies don't install under Python 3.

I get this error when trying to install hyde:

error: invalid command 'bdist_egg'

/home/mauve/.virtualenvs/pythonjobs3/build/hyde/distribute-0.6.14-py3.4.egg
 Traceback (most recent call last):

File "/home/mauve/.virtualenvs/pythonjobs3/build/hyde/distribute_setup.py", line 143, in use_setuptools

    raise ImportError

ImportError

[salimfadhley]

I re-raised this issue on the Hyde issue tracker:
hyde/hyde#270