GH: #102

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

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

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>

Fix typos in ios64-cross config line.

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

armcap.c is shared between 32- and 64-bit builds and features link-time
detection of getauxval.

Submitted by: Ard Biesheuvel.