updated version of matplotlib to 1.2.1 and vincent to 0.3.0
Resized histograms and changed formats:  orientation of x-axis labels, font size and formatting
Updated installation instruction to include notes for Mac OS X
Changed layout to fit works and details histograms on the same page.  Added a placeholder for dimplejs
Resized histograms and changed formats:  orientation of x-axis labels, font size and formatting
Resized works to fit on span6.  Span6 is 460px wide.