renamed PREVAC_VCH01 to PREVAC_VCH

src/PREVAC_VCH01.cpp

src/PREVAC_VCH01.h

src/PREVAC_VCH01.xmi.old

src/PREVAC_VCH01Class.cpp

src/PREVAC_VCH01Class.h

src/PREVAC_VCH01StateMachine.cpp