* added 2 new scripts in postinstall/hp/[25_check_corrupt_filesets.sh|27_show_cimprovider.sh]
* modified 51_diff_crontab.sh to also show on screen the diffs
* modified 52_save_centrifydc.sh: to show version in adinfo output (1 file less)
* modified several script under prep/hp to cp with '-p' option (save timestamp of original file)