Change BillingCycle start to now
Change BillingCycle start to now

Previous value was a fixed value initialized when ever
Sikteeri application server starts (models is imported)
and reused.

In practice no difference since BillingCycle.start is
set to now() in makebills, where BillingCycles are
actually created.

joneskoo/sikteeri,AriMartti/sikteeri,joneskoo/sikteeri,joneskoo/sikteeri,kapsiry/sikteeri,AriMartti/sikteeri,annttu/sikteeri,kapsiry/sikteeri,annttu/sikteeri,annttu/sikteeri,AriMartti/sikteeri,annttu/sikteeri,AriMartti/sikteeri,joneskoo/sikteeri,kapsiry/sikteeri,kapsiry/sikteeri