Changed openocd version info creation to be more useful.

[openocd] / AUTHORS

Dominic Rath <Dominic.Rath@gmx.de>
Magnus Lundin <lundin@mlu.mine.nu>
Michael Fischer <fischermi@t-online.de>
Spencer Oliver <spen@spen-soft.co.uk>
Carsten Schlote <schlote@vahanus.net>