"from mapnik2" is deprecated
set local bbbike.xml
big transformation from mapnik 0.7.x to 2.x

Followed the https://github.com/mapnik/mapnik/wiki/Mapnik2_Changes
documentation manually...
renderer.py: more mapfile and bbox samples
renderer can be called now indepedent from cwd
fix "Using 'name' in TextSymbolizer is deprecated" warning
prereq update for Debian/wheezy, and don't hardcode $USER anymore
renderer.py works now with both mapnik and mapnik2 libraries
add options to renderer.py

Options added are: --mapfile, --outfile, --view
add --geometry option;
don't import * from mapnik
renderer.py: new option --bbox
comments how to use renderer.py
better howto
Merge branch 'mapnik-2'