Values no longer are converted based on units, users have to convert after getting property values and before setting values.
Also update example app by adding more cases with suffixes and prefixes.
Suffix is nicely displayed also in the composed property and in inactive rows:
Prefix, suffix or prefix+suffix can be specified, e.g.
Note: we will have to port KReport 3.1 and Kexi 3.1 to this (convert units when needed)