GPII-118: Add Infusion
GPII-118: First pass at Discovery Tool, with three panels
GPII-118: Add the ToC to the simply option
GPII-118: Add the content simplification enactor.
GPII-118: Add the self-voicing enactor and panel
GPII-118: Fixed the issue that the selected preferences are not reflected at the page refresh.
Revert "GPII-118: Fixed the issue that the selected preferences are not reflected at the page refresh."

This reverts commit b60b2cdc8c720b7bb667eba43c1f05ba567a7b73.
Merge remote-tracking branch 'cindy/GPII-118'

* cindy/GPII-118:
  Revert "GPII-118: Fixed the issue that the selected preferences are not reflected at the page refresh."
  GPII-118: Fixed the issue that the selected preferences are not reflected at the page refresh.
  GPII-118: Add the self-voicing enactor and panel
  GPII-118: Add the content simplification enactor.
  GPII-118: Add the ToC to the simply option
  GPII-118: First pass at Discovery Tool, with three panels
  GPII-118: Add Infusion