minor edits
Merge remote-tracking branch 'origin/master'
some merging problem with ice-device
added BLESS::Typed properties
change Patient_Bolus_Rate from property constant to data port
make Fixed_Point have BLESS::Typed=>"rational"
minor changes in BLESS::Typed properties
move flag to BLESS_Types
change ItemComission to ItemCommission
Merge branch 'master' of git@github.com:santoslab/aadl-medical.git
isolette and PCA pump updates