Dreamfall Chapters: Add base shaders that 4everAwake fixed with headers
Dreamfall Chapters: Some fixes from 4everAwake (+ headers added)
Dreamfall Chapters: Make shader for 'The Balance has shifted' only ever adjust depth when w=1

This shader is an additive tint shader used for all sorts of things
other than this text. Whitelisting doesn't work in this case, and rather
than blacklist everything else let's just do a test in the shader for
the original depth = 1.