FLUID-5076: Replace the enactor namespace from "fluid.uiOptions.enactor" to "fluid.uiOptions.enactors".
FLUID-5076: Rename the settings panel namespace from "fluid.uiOptions.settingsPanel" to "fluid.uiOptions.panels".
FLUID-5076: Synchronized names for "textSizer" and "lineSpace" as well as placing all panel component into namespace "fluid.uiOptions.panels". Also replaced all the occurrence of "settingsPanel" to "panel".
Merge branch 'master' into FLUID-5076

Conflicts:
	src/webapp/components/uiOptions/js/Panels.js
Merge branch 'master' into FLUID-5076
Merge remote-tracking branch 'cindyli/FLUID-5076'

* cindyli/FLUID-5076:
  FLUID-5076: Synchronized names for "textSizer" and "lineSpace" as well as placing all panel component into namespace "fluid.uiOptions.panels". Also replaced all the occurrence of "settingsPanel" to "panel".
  FLUID-5076: Rename the settings panel namespace from "fluid.uiOptions.settingsPanel" to "fluid.uiOptions.panels".
  FLUID-5076: Replace the enactor namespace from "fluid.uiOptions.enactor" to "fluid.uiOptions.enactors".