Fixed multiple case sensitivity issues
Adds GL ARB check for cubemap arrays for certain cases where the driver only supports the extension, not as core
Fixes undeeded namespace declaration in an inline operator function
Cleaned up/reordered some modules default in the data dir
WIP of Das Boot test map
Begun refactoring visualizer tools
Added default cloud and water textures to core/rendering so water and cloud objects work correctly
Added default Fog_Cube mesh so volumetric fog works correctly