merge from v2_2_branch: restore cone-rotating behavior
merge from v2_2_branch: restore cone-rotating behavior

araisrobo/machinekit,unseenlaser/machinekit,cnc-club/linuxcnc,araisrobo/machinekit,bmwiedemann/linuxcnc-mirror,strahlex/machinekit,bmwiedemann/linuxcnc-mirror,mhaberler/machinekit,ArcEye/machinekit-testing,ArcEye/machinekit-testing,araisrobo/machinekit,araisrobo/linuxcnc,cdsteinkuehler/MachineKit,araisrobo/linuxcnc,ArcEye/MK-Qt5,mhaberler/machinekit,strahlex/machinekit,EqAfrica/machinekit,aschiffler/linuxcnc,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ArcEye/MK-Qt5,yishinli/emc2,ikcalB/linuxcnc-mirror,araisrobo/linuxcnc,Cid427/machinekit,bobvanderlinden/machinekit,kinsamanka/machinekit,unseenlaser/linuxcnc,ArcEye/MK-Qt5,RunningLight/machinekit,strahlex/machinekit,EqAfrica/machinekit,EqAfrica/machinekit,bobvanderlinden/machinekit,mhaberler/machinekit,Cid427/machinekit,unseenlaser/machinekit,narogon/linuxcnc,cdsteinkuehler/linuxcnc,bmwiedemann/linuxcnc-mirror,kinsamanka/machinekit,cdsteinkuehler/MachineKit,ArcEye/machinekit-testing,cnc-club/linuxcnc,ArcEye/MK-Qt5,unseenlaser/machinekit,ArcEye/machinekit-testing,strahlex/machinekit,Cid427/machinekit,unseenlaser/linuxcnc,bobvanderlinden/machinekit,bobvanderlinden/machinekit,araisrobo/machinekit,yishinli/emc2,unseenlaser/machinekit,unseenlaser/machinekit,EqAfrica/machinekit,narogon/linuxcnc,cdsteinkuehler/linuxcnc,cnc-club/linuxcnc,mhaberler/machinekit,cdsteinkuehler/linuxcnc,ianmcmahon/linuxcnc-mirror,kinsamanka/machinekit,jaguarcat79/ILC-with-LinuxCNC,Cid427/machinekit,ianmcmahon/linuxcnc-mirror,mhaberler/machinekit,yishinli/emc2,mhaberler/machinekit,strahlex/machinekit,araisrobo/machinekit,cnc-club/linuxcnc,RunningLight/machinekit,araisrobo/linuxcnc,RunningLight/machinekit,Cid427/machinekit,bmwiedemann/linuxcnc-mirror,RunningLight/machinekit,mhaberler/machinekit,kinsamanka/machinekit,kinsamanka/machinekit,ikcalB/linuxcnc-mirror,yishinli/emc2,RunningLight/machinekit,EqAfrica/machinekit,ianmcmahon/linuxcnc-mirror,ikcalB/linuxcnc-mirror,Cid427/machinekit,ikcalB/linuxcnc-mirror,Cid427/machinekit,unseenlaser/linuxcnc,kinsamanka/machinekit,EqAfrica/machinekit,jaguarcat79/ILC-with-LinuxCNC,ArcEye/MK-Qt5,ArcEye/machinekit-testing,ArcEye/MK-Qt5,ikcalB/linuxcnc-mirror,ArcEye/machinekit-testing,narogon/linuxcnc,jaguarcat79/ILC-with-LinuxCNC,ArcEye/machinekit-testing,cdsteinkuehler/MachineKit,araisrobo/machinekit,mhaberler/machinekit,ianmcmahon/linuxcnc-mirror,cdsteinkuehler/MachineKit,RunningLight/machinekit,jaguarcat79/ILC-with-LinuxCNC,ArcEye/MK-Qt5,araisrobo/linuxcnc,bobvanderlinden/machinekit,RunningLight/machinekit,strahlex/machinekit,araisrobo/machinekit,bobvanderlinden/machinekit,cnc-club/linuxcnc,jaguarcat79/ILC-with-LinuxCNC,ikcalB/linuxcnc-mirror,ianmcmahon/linuxcnc-mirror,narogon/linuxcnc,EqAfrica/machinekit,unseenlaser/linuxcnc,unseenlaser/machinekit,unseenlaser/machinekit,unseenlaser/linuxcnc,narogon/linuxcnc,bobvanderlinden/machinekit,ArcEye/machinekit-testing,cdsteinkuehler/linuxcnc,Cid427/machinekit,cdsteinkuehler/MachineKit,cdsteinkuehler/linuxcnc,unseenlaser/machinekit,kinsamanka/machinekit,cdsteinkuehler/linuxcnc,aschiffler/linuxcnc,kinsamanka/machinekit,cnc-club/linuxcnc,ianmcmahon/linuxcnc-mirror,aschiffler/linuxcnc,araisrobo/machinekit,bmwiedemann/linuxcnc-mirror,araisrobo/machinekit,cnc-club/linuxcnc,cdsteinkuehler/MachineKit,aschiffler/linuxcnc,bmwiedemann/linuxcnc-mirror,strahlex/machinekit,EqAfrica/machinekit,ianmcmahon/linuxcnc-mirror,ArcEye/MK-Qt5,aschiffler/linuxcnc,bobvanderlinden/machinekit,RunningLight/machinekit