FLUID-5109: Make pageEnhancer an autoInit component.
FLUID-5109: Removed comments.
Merge branch 'FLUID-5109' into FLUID-4907-5109

Conflicts:
	src/components/uiOptions/js/UIEnhancer.js
	src/tests/component-tests/uiOptions/js/FatPanelUIOptionsTests.js
FLUID-4907: Fixed the template path in the auxiliary starter schema due to the location change of the UIO schema demo.
FLUID-4907: Replaced fluid.uiEnhancer in the builder with the reconstructed fluid.pageEnhancer.
FLUID-4907: Supply the type of the built UIE as an option so it's manipulatable.