Suppress "This answered" button (textify it) if current user is the author.
Suppress "This answered" button (textify it) if current user is the author.

git-svn-id: e1a96f6b7015dfe5b5e86c875acd3ba0869cf04b@86 afa44554-0db9-64d6-dc80-ec3199b23f77

nullstyle/helpcenter,nullstyle/helpcenter,nullstyle/helpcenter