for & id for labels; replaced some binary sliders.

Added for & id relations between labels and fields (often div elements). Turned some binary sliders into checkboxes.
Merge remote-tracking branch 'cstrobbe/patch-1'

* cstrobbe/patch-1:
  for & id for labels; replaced some binary sliders.
SP-12: Fixed a typo in pull request. Reverted back to sliders for follow... since only sliders retain numeric value at the moment.