exact floppy timing fix

HD Installer and Loader for the 4 disks trackmo 'Speed' by
Sim Prod. AGA support, but no speed fix for 68020+
need to watch this demo from HardDisk :
- OCS 512 kb Chip + 512 kb Fake fast + 4 Mb Fast
- ECS 1 Mb Chip + 4 Mb Fast
- AGA 2 Mb Chip + 4 Mb Fast

use the install-script to copy the disks to HardDrive.

PERMISSION  UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP     NAME
---------- ----------- ------- ------- ------ ---------- ------------ ----------
[generic]                 6116    6408  95.4% -lh5- 4893 May 28  1996 simprod-speedhdinstaller/Disk2File
[generic]                  280     859  32.6% -lh5- afd4 Dec 21  2008 simprod-speedhdinstaller/InstallDisk
[generic]                 1008    1802  55.9% -lh5- e01a Sep 25  1997 simprod-speedhdinstaller/InstallDisk.info
[generic]                  716    1128  63.5% -lh5- 1ca1 Oct 31  1980 simprod-speedhdinstaller/Speed
[generic]                   47      52  90.4% -lh5- 0412 Aug  4  1996 simprod-speedhdinstaller/WaitMouse
---------- ----------- ------- ------- ------ ---------- ------------ ----------
 Total         5 files    8167   10249  79.7%            Nov  1 20:25