Merge branch 'devel'

Conflicts:
	lib/libscifor.a
	lib/libscifor_deb.a
	src/Makefile
Merge branch 'master' of github.com:aamaricci/SciFortran
update. temporarily removed CONSTANTS from the compilation, have to fix some errors using
gfortran or xlf compilers.
updated FFTGF_FFTW3. A series of tests are required to have all versions ready.
add get_density_from_matsubara_gf in TOOLS: evaluate the local density without having to
FFT.
Merge branch 'devel'