Move `image_output` to `util`
Stubs for `image_input`
Rename `cinfo` to `info` for consistency
Main JPEG reading routine
Stubs for `Image::fromBuffer`
Transfer read data into an Image
Free more memory
Stubs for ImageTexture
Merge pull request #22 from merlinND/textures

Programmatic textures
Merge branch 'master' into image-read

Conflicts:
	Makefile
Merge pull request #21 from merlinND/image-read

Read a JPEG image
Merge branch 'master' into image-based-textures

Conflicts:
	Makefile
Fix missing `std::` prefix
Use ImageTexture in test scene
Read image from path at construction of ImageTexture
Add fallback "missing texture" color
Add rock texture image
Add TODO
Merge pull request #23 from merlinND/image-based-textures

Image based textures
Update TODO