Add ability to inject the registry into Mapping.build
Add ability to inject the registry into Mapping.build

vrish88/rom,jeremyf/rom,dekz/rom,dcarral/rom,denyago/rom,kwando/rom,endash/rom,rom-rb/rom,pxlpnk/rom,rom-rb/rom,pvcarrera/rom,pdswan/rom,rom-rb/rom,Snuff/rom,cored/rom