Fix const-correctness issues in CClockSynchronizer
Merge branch 'trivial/ClockSynchronizerConst' into protobuf_noprotobufs

Conflicts:
	Broker/src/CClockSynchronizer.cpp
	Broker/src/CClockSynchronizer.hpp
TDToDouble, DoubleToTD should be static
Merge branch 'trivial/ClockSynchronizerStatics' into protobuf_noprotobufs