gnome-control-center: several fixes

This update fixes the following issues in gnome-control-center:
- bnc#796055: fix the NTP toggle which did not work
- bnc#779408: temporarily remove "password to be set at next login" and "login without password" options
- bnc#796932: password hints are not implemented so do not allow setting one
- bnc#808539: password quality detection is broken
- bnc#808540: always show generated passwords

Fixed bugs
bnc#779408
Password to be set at next login / login without password do not work
bnc#796055
GNOME Control Center NTP integration broken
bnc#796932
Password hints dont work
bnc#808539
Password quality detection doesnt work properly
bnc#808540
Generated password is hidden after generation
Selected Binaries
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