Add copyright to most .pl files
This does NOT cover any .pl file that has other copyright in it.
Most of those are Andy's but some are public domain.
Fix typo's in some existing files.

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

and engage it in most modules.

Reviewed-by: Tim Hudson <tjh@openssl.org>

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

Reviewed-by: Rich Salz <rsalz@openssl.org>

Fix typos in ios64-cross config line.

Reviewed-by: Tim Hudson <tjh@openssl.org>