Scripts/Razorfen Kraul add script for quest 1221

Credits to @XFurry , he is original author.

Closes #8165
Closes #10152

Signed-off-by: Nay <dnpd.dd@gmail.com>
Scripts/Razorfen Kraul: Fix build and a possible crash
Scripts/Misc: Rename creatures with mob_ / mobs_ in npc_
Note: Have fun :P
DB/Quest: Fix: Standards and Practices (9910) & Hand of Iruxos (5381)

Closes #10197
Closes #9701
Closes #9857

Signed-off-by: Nay <dnpd.dd@gmail.com>
Merge remote-tracking branch 'official/master'