Added max height as page height for images.
Adjusted input/output font size
Fixed spacing with output/input prompt (looks more like NB)
Changed center_output macro name to conditionally_center_output
	Original name was misleading...  Maybe a shorter name
will be used later, but for now this will do.
Attempt to fix Out[] prompt not following output sometimes.
Needspace for the output regardless of output style.
Added the ability to override the document title (useful for batch jobs)
Merge pull request #122 from jdfreder/master

Changed input/output size (formatting)