Move manpages to man[1357] structure.

Move manpages to manX directories
Add Windows/VMS install fix from Richard Levitte
Update README
Fix typo's
Remove some duplicates

Move manpages to man[1357] structure.

Move manpages to manX directories
Add Windows/VMS install fix from Richard Levitte
Update README
Fix typo's
Remove some duplicates

Reviewed-by: Richard Levitte <levitte@openssl.org>

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