Fix two issues: 1) surface RH was 0..1 with Hirlam, 2) initial value for visPre was 1 (not 50000)
Fix two issues: 1) surface RH was 0..1 with Hirlam, 2) initial value for visPre was 1 (not 50000)

fmidev/himan,fmidev/himan,fmidev/himan