Added GetzKillboardValue to utilities, fetching the total value of a kill mail
Added implementation for FleetAddLossHandler
Removed TickSiteModifier from FleetMember, will no set value via "Edit" in fleet directly
Added ReportId to FleetMember for assigning entries to a payout report
Removed ticking of site modifiers from Fleet
Changed FleetMember slice to map for easier lookup
Removed mutex since synchronized access is not of most importance
Added ReportId for assigning fleets to a specific payout report
Added Report for storing payout reports, summarising the range and payout for different fleets
Added routes and handlers for displaying a list of reports and report details
Added HTML templates for report displaying
Added database loading of reports and associated fleets/fleetmembers
Added "weird" test-handling of Edit button in the fleetdetails.html template (unfinished)