Borrowed some project infrastructure from TerraNova's buildout repo

--HG--
rename : bootstrap.py => bootstrap-buildout.py
rename : buildout.cfg.staging => configs/staging.cfg
extra : rebase_source : c557702d7f54527a83f9a7fcf9aecf4f8077830d
Move buildout configs to configs/

--HG--
rename : buildout.cfg.jenkins => configs/jenkins.cfg
update picked-versions.cfg
update org.bccvl.site