rename HDF5 output file suffix to h5
improve Sampler and State plain text output
test plain text output of State
remove std::cout as default
Remove unused configure macro
remove use of strong inline
GCC C++11 lib requires 4.9
Merge branch 'develop' of github.com:zhouyan/vSMC into develop
smaller benchmark size for SMP
update example info
larger page sizes
remove unused links