[cube dist] fix default setup.py, well we get the cube also installed in lib/python, that may cause pb (eg the email cube for instance). UPDATE YOUR CUBE's setup.py
option_group_changed('port', 'main', 'web')
option_group_changed('query-log-file', 'main', 'web')
option_group_changed('profile', 'main', 'web')
option_group_changed('max-post-length', 'main', 'web')