community/hdf5: new subpackages, fix SZIP support, enable tests
new subpackages for -tools, -cpp, -hl, hl-fortran, -hl-cpp enable SZIP support in configuration script enable tests and add checkdepends
new subpackages for -tools, -cpp, -hl, hl-fortran, -hl-cpp enable SZIP support in configuration script enable tests and add checkdepends