[syntax] change speak to speak_script
[demo02] syntax change speak to speak_script
[demo02] Change hard coded script name
[demo03] rename Yzul the oracle character file
[demo03] Yzul agro behavior is to speak to player
[demo03] Add speak script to player so that he can speak to NPCs
[demo03] Forgot to add this file from previous commit
[demo02] player speak script are now called with listner_id
speak system updates:

player's speak script are now called with listner id
sned_speak now require a context is as first parameter