videomenu: readd 16x MSAA option, check what we got after setting mode.
video: apply changes to gl_anisotropic immediately.
Merge branch 'master' of github.com:yquake2/yquake2
videomenu: correct the "screensize" slider range.
video: avoid artefacts when resizing the viewsize when paused.
videomenu: add an "aniso filtering" option.
videomenu: remove obsolete options, some cleanup.
videomenu: minor cvar ordering change.
Also apply gl_hudscale cvar to the inventory.
SCR_ExecuteLayoutString: also apply scale to xl and yt to avoid overlap.
Merge branch 'master' of github.com:yquake2/yquake2