Added non_mpi dense GS
commit to merge w. chris
Merge remote-tracking branch 'chris/master' into chris

Conflicts:
	Fem/Solver.hpp
	Flens_supl/Makefile
resolving conflict
Readd input files
switching branches
switching branches
mergin branches
resolving
Added gs_dense_mpi and tested
cleanup before merge
Merge remote-tracking branch 'mazen/master'
nothing important
Finished adding flens to FEM.cpp

Parallel works, serial possibly not.