libgui|Client: Switched to OpenGL 3.3 Core profile, ported shaders to 330
Removed checking for GL extensions that are now part of the core.GLBuffer now creates Vertex Array Objects for the vertex attributearray configuration.
View differences
libgui|Client: Switched to OpenGL 3.3 Core profile, ported shaders to 330
Removed checking for GL extensions that are now part of the core.
GLBuffer now creates Vertex Array Objects for the vertex attribute
array configuration.