Filter only users with positive balance on save. Close #124.
Oops fixed.
Use UTC datetimes everywhere. Close #203.
Fix age counting. Close #204.
Do not send greeting if it was not set. Close #166.
rebranch to devel; fixed submodule; flatten commits on a branch
Merge branch 'htmlreader' of https://github.com/IngvarJackal/horta-hell into htmlreader