amunits: renamed agraphics/Move to gfxMove to match other platforms and avoid the conflict with System.Move()

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28562 3ad0048d-3df7-0310-abae-a5850022a9f2
amunits: renamed keyboard.pas to akeyboard.pas to avoid name conflict with rtl-console/keyboard

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28563 3ad0048d-3df7-0310-abae-a5850022a9f2