follow picture-in-picture
follow fix
Merge branch 'master' into follow

Conflicts:
	main.c
initial try for player interpolation
Fixed selecting block types with mousewheel.
Merge pull request #88 from emilis/wheelfix

Fixed selecting block types with mousewheel.
don't render self
Merge branch 'master' into interpolate
interpolation tweaks
interpolation tweaks
client_position / interpolation
Merge branch 'master' into follow

Conflicts:
	main.c
observe mode
observe fixes
observe fix
more attrib members for all program uniforms, etc.
major refactoring
delete_chunks
updated README.md
enable observe mode on P