Docs: update download urls
Docs: update download urls

Signed-off-by: John Thornton <601166b5efca3d35ab1942428a84fb6f8bcae6cc@gnipsel.com>

unseenlaser/machinekit,unseenlaser/linuxcnc,narogon/linuxcnc,Cid427/machinekit,cnc-club/linuxcnc,ArcEye/machinekit-testing,ArcEye/MK-Qt5,araisrobo/machinekit,ArcEye/MK-Qt5,jaguarcat79/ILC-with-LinuxCNC,unseenlaser/linuxcnc,EqAfrica/machinekit,bmwiedemann/linuxcnc-mirror,mhaberler/machinekit,araisrobo/machinekit,ianmcmahon/linuxcnc-mirror,ianmcmahon/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ArcEye/MK-Qt5,unseenlaser/machinekit,RunningLight/machinekit,ArcEye/machinekit-testing,jaguarcat79/ILC-with-LinuxCNC,ianmcmahon/linuxcnc-mirror,narogon/linuxcnc,narogon/linuxcnc,bobvanderlinden/machinekit,ianmcmahon/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bobvanderlinden/machinekit,kinsamanka/machinekit,RunningLight/machinekit,EqAfrica/machinekit,bobvanderlinden/machinekit,ikcalB/linuxcnc-mirror,cdsteinkuehler/linuxcnc,RunningLight/machinekit,bobvanderlinden/machinekit,cdsteinkuehler/MachineKit,unseenlaser/machinekit,kinsamanka/machinekit,bobvanderlinden/machinekit,cdsteinkuehler/MachineKit,ArcEye/MK-Qt5,strahlex/machinekit,unseenlaser/machinekit,ArcEye/machinekit-testing,RunningLight/machinekit,kinsamanka/machinekit,mhaberler/machinekit,unseenlaser/machinekit,araisrobo/machinekit,strahlex/machinekit,cnc-club/linuxcnc,ArcEye/machinekit-testing,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/linuxcnc,cdsteinkuehler/MachineKit,Cid427/machinekit,mhaberler/machinekit,ikcalB/linuxcnc-mirror,Cid427/machinekit,bmwiedemann/linuxcnc-mirror,bobvanderlinden/machinekit,RunningLight/machinekit,cdsteinkuehler/MachineKit,cnc-club/linuxcnc,cdsteinkuehler/linuxcnc,cdsteinkuehler/MachineKit,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,RunningLight/machinekit,mhaberler/machinekit,jaguarcat79/ILC-with-LinuxCNC,EqAfrica/machinekit,mhaberler/machinekit,araisrobo/machinekit,Cid427/machinekit,bmwiedemann/linuxcnc-mirror,Cid427/machinekit,EqAfrica/machinekit,cdsteinkuehler/MachineKit,RunningLight/machinekit,kinsamanka/machinekit,Cid427/machinekit,EqAfrica/machinekit,bobvanderlinden/machinekit,ArcEye/MK-Qt5,ArcEye/machinekit-testing,RunningLight/machinekit,cnc-club/linuxcnc,EqAfrica/machinekit,ianmcmahon/linuxcnc-mirror,ArcEye/machinekit-testing,unseenlaser/machinekit,aschiffler/linuxcnc,aschiffler/linuxcnc,cnc-club/linuxcnc,jaguarcat79/ILC-with-LinuxCNC,ArcEye/machinekit-testing,EqAfrica/machinekit,aschiffler/linuxcnc,EqAfrica/machinekit,bobvanderlinden/machinekit,kinsamanka/machinekit,strahlex/machinekit,cdsteinkuehler/linuxcnc,bmwiedemann/linuxcnc-mirror,unseenlaser/linuxcnc,ArcEye/MK-Qt5,unseenlaser/linuxcnc,mhaberler/machinekit,bmwiedemann/linuxcnc-mirror,strahlex/machinekit,narogon/linuxcnc,cnc-club/linuxcnc,ArcEye/MK-Qt5,jaguarcat79/ILC-with-LinuxCNC,kinsamanka/machinekit,strahlex/machinekit,strahlex/machinekit,ArcEye/machinekit-testing,aschiffler/linuxcnc,mhaberler/machinekit,narogon/linuxcnc,unseenlaser/machinekit,Cid427/machinekit,ikcalB/linuxcnc-mirror,araisrobo/machinekit,araisrobo/machinekit,cdsteinkuehler/linuxcnc,ianmcmahon/linuxcnc-mirror,araisrobo/machinekit,unseenlaser/machinekit,Cid427/machinekit,aschiffler/linuxcnc,araisrobo/machinekit,mhaberler/machinekit,araisrobo/machinekit,strahlex/machinekit,ianmcmahon/linuxcnc-mirror,kinsamanka/machinekit,ArcEye/MK-Qt5,cnc-club/linuxcnc,ikcalB/linuxcnc-mirror,kinsamanka/machinekit,cdsteinkuehler/linuxcnc,unseenlaser/linuxcnc