Applies ALCH-420 - Replace all invisiprims with fully transparent texture and remove dead code paths
-ARC no longer takes invisis into consideration.
Syncs some script keywords updates.
Changes all "\n" in llfloaterabout.cpp to '\n' because screw.dat
Need to test:
localassetbrowser
preview related floaters
hgfloatertexteditor
maps
media textures! Currently very hacky
web browser
alpha masks on avatars
bumpmaps
Are all sky components appearing?
LLViewerDynamicTexture (texture baking, browser, animated textures, anim previews, etc)
Snapshot related features
Customize avatar
vfs floater
UI textures in general
Texture priority issues