update example
remove move_num from sampler
start utest
move def of init/move into sampler.cpp
remove unused messages
include a simplified google test inside utest
further simplify gtest build and disable warning of gtest
add state_matrix unit test
add base class tests
update default test case
add a NormalizingConstant class
update TBB support for TBB 4.3
bugfix for MSVC
update examle
update example