matplotlib Code

expand comments in build report

dont use spaces in setup.cfg section names

added flags in setup.cfg to disable providing external
packages like pytz and datetime

minor formatting change to dependency report

updated dependency report during build process

move pyparsing back into mpl namespace

fixed bug in dateutil version check

added checks that also print version numbers for
pyparsing, pytz, dateutil, configobj

update enthought package to version 2.6b1, stripped of setuptools
installed in site-packages, if not already present

move configobj.py to lib/, install in site-packages only if required