pip-1.4.1 did not work with Python-3.1

Python3(.1) can't import relative module without dot('.').
Merge pull request #1203 from shimizukawa/patch-1

pip-1.4.1 did not work with Python-3.1
Mention wheel as an egg replacement

While it’s true that pip can’t install eggs, it’s not true anymore that it installs only source distributions.
Merge pull request #1204 from hynek/patch-1

Mention wheel as an egg replacement
real time logging in py3