[12448] Fix typo. Thanks also to vladimir for pointing

Signed-off-by: Schmoozerd <schmoozerd@cmangos>
[12449] Fix send-speed opcode sending

SMSG_FORCE_*_SPEED_CHANGE is only sent to the player whose speed changes
Also it appears that the other MSG_MOVE_SET_*_SPEED/RATE should be wrapped into SMSG_COMPRESSED_MOVES (not yet implemented)

Thanks to lyn for pointing to the problem, and researching it down to these opcode sendings as well as testing
[12450] Implement new TempSummon types

* Add TEMPSUMMON_TIMED_OR_DEAD_DESPAWN to remove a creature after a time or when it despawns
* Add TEMPSUMMON_TIMED_OR_CORPSE_DESPAWN to remove a creature after a time or when it died
[12451] Implement virtual void HealedBy
[12452] Implement some spells for Black Temple

Dummy spells 40869, 41333 and add stacking exception for entries 40401, 40447, 39908 and 40017