SP-32 follow-up: minimum text scaling factor in GNOME is 1.0 not 0.1
SP-44: labels for NVDA's groups of settings

Note: This commit is incomplete without the next commit, which will add legend elements to the HTML page.
SP-44: Grouping of NVDA settings (part 2 of 2)
SP-44: Grouping Orca settings like in the Orca preferences tabs

Note: This commit is incomplete without the next one, which will add legends in the HTML code.
SP-44: Grouping of Orca settings (part 2 of 2)
Merge remote-tracking branch 'cstrobbe/patch-11'

* cstrobbe/patch-11:
  SP-44: Grouping of Orca settings (part 2 of 2)
  SP-44: Grouping Orca settings like in the Orca preferences tabs
  SP-44: Grouping of NVDA settings (part 2 of 2)
  SP-44: labels for NVDA's groups of settings
  SP-32 follow-up: minimum text scaling factor in GNOME is 1.0 not 0.1