implement 'emc -l', to re-use previous inifile change option handling to 'getopts' instead of custom code move configuration items to the top of the script and get rid of unused ones
implement 'emc -l', to re-use previous inifile
change option handling to 'getopts' instead of custom code
move configuration items to the top of the script and get rid of unused ones

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