Fix documentation references.
Correct spelling errors.
Remove empty whitespaces.
Correct a single mis-spelled ZONE_BASE variable, see 'Core/Zone.lua' (variable "Sureface" -> "Surface", no references to mis-spelled "Sureface" throughout the codebase).
Correct mis-spelling of "coaltion" in 'Functional/Mantis.lua', corrected to "coalition".
Correct module links.
Replace references to missing images with MOOSE.JPG.
Add default MOOSE.JPG where no image was previously set.
Fix minor spelling error.