(a) now adds relationship between project and invoice though we used to set the project_id in im_invoices it was not enough, (b) company_name is now first_names and last_name whereas company_path includes the user_id to ensure that it will be unique, (c) noquote for event registration link in reminder mail message, (d) link to project from list of events, (e) added provider_company_id parameter and link to to provider company from list of events
Merge remote branch 'origin'
copied and pasted code from intranet-core/tcl/intranet-core-init.tcl to create callbacks for the package object_types, namely flyhh_event and flyhh_event_participant