re-word some things; remove freqgen reference; fix up index entries to be lowercase
re-word some things; remove freqgen reference; fix up index entries to be lowercase

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