added an example of a Nrpm pump based on a real pump for validation purposes
corrected name in revision history of Buildings.Fluid.Movers.BaseClasses.Characteristics.power
added revision history for Buildings.Fluid.Movers.Examples.FlowMachine_Nrpm_stratos
Merge pull request #203 from Mathadon/develop

Merged pump example.
Started revising documentation and cleaned up schematic diagram.

This is for #202.