#8: Ran the text test and found out that fonts were not being
respected--everything had the same font.  This is fixed now.
#8: Modified the text test to be a little less verbose
#1: Fixed and completed BoxLayout
Gave the block widget a default layout of simple.  Without a default
layout, the widget has zero size no matter what its content.
Made the title of the document show up as the title of the browser
window.