* Update README.md

Changed some murky language with respect to the "mods" folder location.

* Update README.md

* Update README.md

Readme overhaul for more consistent language and some updated instruction. Truncated certain sections, removed archaic instructions, elaborated where needed.

* Update README.md

* Update README.md

Does version info belong in additional setup info? Changing that.

* Update README.md

Making suggested changes.

* Update README.md

Made recommended changes.