retropie-setup - bump version to 4.3

bump version to 4.2

bumped version to 4.1

copyright - update year

image - preserve everything when syncing filesytem hardlinks/xattrs/a…

…cls - thanks superjamie - fixes RetroPie#1642

xpad - allow building in chroot (pass version of chroot kernel)

Merge pull request RetroPie#1592 from mbroncano/master

Suport for i.MX6 platforms

workaround for installing samba in chroot due to service restart (lef…

…t samba working, but technically half installed)

lr-nxengine - move msg variable to top so it's set for addPort

changed wording for retroarch description in retropie menu - RetroPie…

…#1491