Fix overzealous search and replace with 'self'
Fix overzealous search and replace with 'self'

'This' and 'this' in comments had been replaced with 'self'!

assem-ch/snowball,cesarsouza/snowball,JDemler/snowball,cesarsouza/snowball,assem-ch/snowball,snowballstem/snowball,snowballstem/snowball,cesarsouza/snowball,snowballstem/snowball,kariminf/snowball,kariminf/snowball,assem-ch/snowball,assem-ch/snowball,snowballstem/snowball,assem-ch/snowball,cesarsouza/snowball,snowballstem/snowball,JDemler/snowball,JDemler/snowball,JDemler/snowball,kariminf/snowball,snowballstem/snowball,snowballstem/snowball,cesarsouza/snowball,cesarsouza/snowball,kariminf/snowball,snowballstem/snowball,JDemler/snowball,JDemler/snowball,kariminf/snowball,cesarsouza/snowball