v1.8 library, v1.8 library writes the driver info block in the superblock. But v1.6
doesn't write it. This caused the data after the superblock to be overwritten. The
solution is to use a flag to indicate when the original file doesn't have the driver
info, v1.8 library doesn't write it either.
Tested on jam. I have some trouble to access smirom and linew using h5committest.
Skip one of the tests in flush2.c since it looks like VMS system
flsuhes the file anyway (like on Winodws with DLLs)
Renamed files family*.h5 that are used in backward compatibility
testing to have only one '.' in a file name, otherwise VMS system
becomes confused and test fails.
Cleaned up the only test (Fortran multi-file test) that is failing on
VMS (C counterpart passesa).
Added new script to facilitate the build process on VMS
Updated MANIFEST
PLatforms tested: VMS server, kagiso and linew (minor changes)
