Testing the skybox

in early stage, still seg faulting..
Revert "Testing the skybox"

This reverts commit dcf2c65687cdc64bb20a52667555e2c3ed0bbf07.
Revert dcf2c65..309c0f4

This rolls back to commit dcf2c65687cdc64bb20a52667555e2c3ed0bbf07.
Still stuck.
Test some codes : vao added
test
cube bleu OK
SkyBox OK

Trop stylé !!
class skybox + test without sdl2_image fail
Fix all that skybox
Skybox done, with objects
Merge pull request #3 from ouiBonsoirTeam/skybox

merge Skybox to develop