Update dna.lua

Fix to disconnected ply (killer) or dna_owner (victim)
Update cl_recording.lua

Possible fix for http://facepunch.com/showthread.php?t=1416843&p=46210344&viewfull=1#post46210344
Fixed a weird error where a disconnected player finds dna
Now looks like this http://puu.sh/ck7BU/691c46fc55.png
This is in response to http://facepunch.com/showthread.php?t=1416843&p=46173449&viewfull=1#post46173449
Merge branch 'master' of https://github.com/pandaman09/TTTDamagelogs