Backed out changeset 7a58581d842c This changeset breaks a number of CW tests, which depends on pre add hooks. I'm backing it out, so that we can start the need-for-speed sprint with green tests (and possibly rework this changeset)

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')