Skill tree rework/reword

Some skills need reworded or reworked.
Metal Mining as an example, says "Increased yield from metal deposits" followed by "+10/15/20% yield from mining iron." After some testing, it seemed that only Iron was benefiting from the perk. This should either be changed to Iron Mining skill or affect all metals. There is a few of these types of obscured skill definitions though out the skill trees.
Now for the rework part: there are some parts of the trees that are blocked by skills not in line with the proceeding skill. Careful Skinner in the hunting tree is not visibly blocked by anything buy you are required to spend a point in Without a Sound skill to get to it. Again there is a few of these issues though out the trees. Either the skill map lines needs to be adjusted to show that you need a point in these skills first or find and fix the issue blocking it. Picture attached to show.

Also, the solo tree could either have 13 of its own points to spend so you can still be useful in multi