Based on maatkit results.

Without this, system perl will be used.

Required by maatkit.

Supports cases when operating system does not provide /usr/bin/python which is
hardcoded in genbt5list.

0.3.1dev7 refers to non existing file.

Using QGit 2.3 with Git >= 1.7.5 is annoying because it always displays a
warning at startup.

Do not include Kaz modifications related to accounting simulation.

Conflicts:
	software/erp5/software.cfg
Resolved by accepting upstream version.

This reverts commit 185ddf09.

This reverts commit 623b55f1.

lxml web site, provided by index, is not functional for long time (weeks).
As it is possible to install it directly form pypi (which has a bit of
mirroring) force such way and do not query source website.