Fixed merge conflict
Merge pull request #47 from mlippert/widget-refactor

minor fixes and start of SelectOneQuestion widget
Example of dropdown as control only

Added example of dropdown controlling image carousel
Added setSelectedIndex method to dropdown selectwidget
Merge branch 'origin/master'

Conflicts:
	multiChoiceTests.html
in the test show the response text when the radiogroup selection is changed
more work on selectonequestion