Hexagon: updated software/libraries

Hexagon has updated software and libraries.

Please see http://docs.cray.com/books/S-9407-1402//S-9407-1402.pdf for full release notes.

cce 8.2.3 -> 8.2.4
pgi 13.10.0 -> 14.1.0
xt-asyncpe 5.24 -> 5.25
cray-ccdb 1.0.0 -> 1.0.1
cray-lgdb 2.2.3 -> 2.2.4

cray-mpich 6.2.1 -> 6.2.2

cray-ga 5.1.0.2 -> 5.1.0.3
cray-hdf5 1.8.11 -> 1.8.12
cray-netcdf 4.3.0 -> 4.3.1
cray-parallel-netcdf 1.3.1.1 -> 1.4.0