* introduce 'email.server.tools' to process_email and send acknowdgement after creating new record
* use 'email.server.tools' model in script and fetchmail module to processing email
* start mailgateway services on crm.lead, project.issue, hr.applicant
bzr revid: hmo@tinyerp.com-20100624195332-7qci6vrimvzple5w