GPII-716: Move apply button right.
GPII-716: Rename apply selector name.
GPII-716: Make another JSON key for apply button text.
GPII-716: Rename apply button container.
GPII-716: Reame saveAndApply to applyButton.
GPII-716: Rename save to apply in listener names + css class.
GPII-716: Update css class to saveOrApply.
GPII-716: Take domain as prefsEditor option + use fluid.stringTemplate for constructing the url.
GPII-716: Move socket URL as prefsEditor's member.
GPII-838: Merge with gpii-716.