Changed template specialization and explicit instantiation into C++11 format in c++11/dmrg/
Merge branch 'development'
Merge branch 'development'
Fixed bugs in QSDxxx routines, when using custom quantum number class without typedefing to Quantum
Fixed small bug about PRINT_WARNINGS
Changed STArray class to have the dense-array shapes as a member variable, which may fix some errors in merging QSTArray