* remove freqgen docs; move frequency-mode diagram to stepgen docs * point at manpages which are better documentation for most comps * improve index
* remove freqgen docs; move frequency-mode diagram to stepgen docs
* point at manpages which are better documentation for most comps
* improve index

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