MY Mentor system issue and fix

[lvlagmarink]

**Land mentors and Hand can obtain their licence via the current method placed. No real issues here that I can tell.

I gotta admit, despite of having the requirement for "Trade Mentor" i have no idea how the favor system works, and i only recently grasped the idea of aetherial reduction thru a guide i found somewhere I haven't even traded any of the red script thingy whatsoever..