* remove typo in hr.contribution.register object name
* fix engine: a rule with same code must overwrite the previous value
* improved demo data: set same code for Conveyance Allowance for Paolino and parent rule
* improved tree/search views
bzr revid: qdp-launchpad@openerp.com-20110412170128-xlf1r1tfsm8ke7e5