Added field nrthmk (Outside the North Mako Reactor)
Added field nmkin_1 (Inside the North Mako Reactor)

This field does not currently have 100% functioning scripts
Added elevtr1 (Works both ways) (Uses custom variables)
Added custom variables needed for bombing mission
Added nmkin_2 field (Working scripts 100%)
Added nmkin_3 (Half finished scripts) Used to demonstrate out of tiles error
Edited menus to allow going to debug room and nmkin_2