More bugfixes: - $reason wasn't defined - createPost won't make an existing topic a redirection topic - Incorrect link being used in the redirection topic - Redirection topic wasn't being marked as read for the person who created it
More bugfixes:
- $reason wasn't defined
- createPost won't make an existing topic a redirection topic
- Incorrect link being used in the redirection topic
- Redirection topic wasn't being marked as read for the person who created it

Signed-off-by: Michael Eshom <5158bd6999ee25dab95ee881ca6de399cfc6aac9@oldiesmann.us>

margarett/SMF2.1,margarett/SMF2.1,mkress/SMF2.1,georaldc/SMF2.1,mkress/SMF2.1,georaldc/SMF2.1,mkress/SMF2.1,MustafaCan/SMF2.1,StealthWombat/SMF2.1-more-forkery,StealthWombat/SMF2.1-more-forkery,MustafaCan/SMF2.1