dijit.focus Test

### Widget Focus Test

This is for testing code to detect onBlur and onFocus on a widget level.
Focused widgets' borders will turn red.
Also, check the console log for focus and blur events on widgets.

a form ContentPane widget:
simple input:
a fieldset ContentPane widget:
a ComboBox widget:
a plain input:
Hello world, this is an editor
another fieldset ContentPane:
a DateTextBox widget:
a plain textarea:
hello there!
a Spinner widget:
a Combobutton widget:
push me