Make FakeJob work again

This allows to run Adhocracy without configuring Redis
Better debug message in FakeJob case
Add configuration option to disable background processing
Add note to FakeJob about other way of doing synchronous processing
updated to buildout 2
pin more eggs
use show-picked-versions instead of buildout.dumppickedversions
added upgrade information
cleanup versions.cfg
ignore lib and local directories
updated boostrap.py, installation notes
added documentation how to upgrade dependencies
readded virtualenv to install adhocracy
updated documentation
docu: virtualenv instead of bin/virtualenv
removed distribute from versions
Bump buildout version to 2.1.0
include buildout to compile python. This is now the prefered way to isolate your python environment. Please read the UPGRADE INSTRUCTIONS in CHANGES.txt
build.sh: run buildout in non newest mode to allow buildout upgrades
Fix heading in installation instructions