Added No-Intro Systems to Monochrome, Fixed RetroActive settings icon
Created by: baxysquare
Fixed RetroActive’s settings icon with a rounded rectangle for consistency to address issue #151. Added the following systems to Monochrome:
CHIP-8 Epoch - Super Cassette Vision Fairchild - Channel F Funtech - Super Acan Hartung - Game Master LeapFrog - Leapster Learning Game System Mattel - Intellevision NEC - PC-98 Philips - Videopac+ RCA - Studio II VTech - CreatiVision VTech - V.Smile Watara - Supervision