FLUID-5161: Renaming (fluid.uiOptions -> fluid.prefs; fluid.prefs.uiOptions -> fluid.prefs.prefsEditor; uiOptionsLoader -> prefsEditorLoader; fatPanel -> separatedPanel)
FLUID-5161: Renamed all occurrences of "FatPanel" in file names to "SeparatedPanel".
FLUID-5161: Renamed all the file names that contain "fatPanel" and "uiOptions" to "separatedPanel" and "prefsEditor".
FLUID-5161: Moved slidingPanel and textfieldSlider into their own component directories.
FLUID-5161: Moved directory "components/uiOptions" to "framework/preferences"
FLUID-5161: Adjusted all paths used in tests and demo files since uiOptions has been renamed to "prefsEditor" and moved into frameword as well as the relocation of slidingPanel and textfieldSlider.
FLUID-5161: Updating build resources.

Updated the build resources for the restructuring of the code that had been in uiOptions. Wasn't able to properly test as not all of the file paths have been updated after the moves.
Merge remote-tracking branch 'cindy/FLUID-5161' into FLUID-5161

Conflicts:
	src/components/slidingPanel/slidingPanelDependencies.json
	src/components/textfieldSlider/textfieldSliderDependencies.json
	src/framework/preferences/preferencesDependencies.json
FLUID-5161: Renamed the occurrences of "uiOptions" in scripts to 1. "prefs" for namespaces; 2. "prefsEditor" for css selectors and component names.
FLUID-5161: Fixed some issues with the build
FLUID-5161: Renamed full page demos to use "prefsEditor" rather than "uiOptions" in file names.
Merge remote-tracking branch 'justin/FLUID-5161' into FLUID-5161

Conflicts:
	src/framework/preferences/preferencesDependencies.json
FLUID-5161: Renamed uiOptions dir in build-scripts
Merge remote-tracking branch 'cindy/FLUID-5161' into FLUID-5161

Conflicts:
	src/tests/framework-tests/preferences/html/CSSGenerator-test.html
FLUID-5161: Replaced all occurrences of "UI Options" or "User Interface Options" with "Preferences Editor", except "demos/uiOptions/" directory.
Merge remote-tracking branch 'justin/FLUID-5161' into FLUID-5161
FLUID-5161: Fixed unit tests.
FLUID-5161: Removed "components/uiOptions" and modified build scripts accordingly.
FLUID-5161: Renamed occurrences of "uiOptions" in files to "prefsEditor".
FLUID-5161: Moved UIO demo that uses schemas as the default UIO demo. Also moved the UIO demo that uses grade components into manual tests.