Metahuman template MISC bugs

[miquelcampos]

• axis orientation: http://forum.mgear-framework.com/t/matahuman-guide-ik-fk-hand-axis-doesnt-match-the-guide-orient-before-build/4326
• Other feedback from users

Axis orientation is not a bug, but a lack of clarity on the settings description
https://youtu.be/dlQ8hjWLRZk
Addded better description