[12761] Use shiny new function to play music with the spell
[12762] Fix rooted player continue their movement while rooted for other clients.

http://cmangos.net/thread-6756.html
Thank to Moh for pointing.
[12763] Fix a little memleak. Thank to @kid10. Also fix sql error introduced in 9b7bb67c0eeabfe3e8146e6762231d7869e47f33