Retropie overlays pack v1.0

First "stable" release of the overlays pack.

Contains:

• overlays_full_pack: all the packs in one zip
• overlays_clean: just the overlays, no grid, no shaders.
• overlays_shaders: overlays with shaders applied to simulate CRT scanlines and LCD grids.
• overlays_grid_integer: overlays with an included grid to simulate scanlines, integer-scaled emulator.

Sources:

• Shaders by ghogan42: used in the "shadered" pack
• Libretro overlays: uses some NyNy77 overlays
• Pack by Marblemad and Kam3leon: uses most overlays from this pack
• Pack by MezzB: used for the integer-scaled overlays
• Pack by OrionsAngel: used for some handhelds

Other packs are included in the sources folder. See CREDITS to see the full list.