[horde] v1.2 latin1 to 5.x utf8

[Dan Muey]

> mnemo-convert-to-utf8. The approach there works database-independent too.

Yeah, that is a great starting point for sure.

> Obviously this does the data conversion *only*. I.e. it doesn't change the database's/table's collation, let alone the Horde SQL configuration, which needs to be done in a separate step.

Thanks Jan, we'll look into what configuration would need adjusted also and do that as well if it makes sense to.