adding 2.2.1 schema, adding inputdataprovider for 2.2.1 exempted vehicles, adapting testcase for exempted

update latest version of  MRF: allow axle configuration, sleeper cab and vehicle group for exempted vehicles

adding sleeper cab as optional input in XSD 1.0; new xsd version 2.2.1 for exempted vehicles with axle configuration and sleeper cab as input parameters

bugfix in xmldeclarationdataprovider

for AT transmissions in case of braking: if an operating point on the engine's drag curve cannot be found use an operating point where the engine is not full in drag.

adapt declaration data test for hvac after adding hvac power demands for other group/cyckle combinations (required for VTP)

remove invalid characters (such as / or \) from mod-filename (e.g. if VIN contains illegal characters)

remove testcase which is no longer applicable: steering pump power demand on LH cycle for group1 vehicles is provided for VTP missions