Merge pull request #70 from TerenceRussell/master

Added SOIL_SAVE_TYPE_QOI support to SOIL_write_image_to_memory_quality.

Fixes #52. Pump version.

Fixes #36.

Minor fix for VS.

Merge

Forgot to add minor fix in the stb_image update.

Updated stb_image and stb_image_write versions.

Removed copyright code from Tom Dalling. Clarification: this code was…

… made by me,

but included in the Tom Dalling project: https://github.com/tomdalling/opengl-series