[c12995] Fix Death Knight rune cooldown

Close cmangos/issues#514

Signed-off-by: Xfurry <xfurry@scriptdev2.com>
[c12996] Update map list that allow mounts

Signed-off-by: Yaki Khadafi <elsoldollo@gmail.com>

(based on commit 66a4cdb)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>