Add loading texture and text display
Merge remote-tracking branch 'origin/master' into loading_screen

Conflicts:
	src/main.cpp
	src/ui/hud/textfieldhudgetvoxels.cpp
Make awesome
Extract whole thing to class
Add loading screen when switching scenario
Add setup timer, remove create world timer
Fix models without crucial
Move TextureRenderer to display/rendering
texturerenderer rendering fixes
Remove dead file
Switch to unique_ptrs, only render color buffer
switch to ScreenAlignedQuad from glowutils
Move Skybox to display/rendering
flip dds
Some cleanup
Newlines for mrzzzrm
Styling, renaming
Merge branch 'master' of github.com:voxelinc/voxellancer into loading_screen
some minor style++
Fix Comment