Include trailing slash for directory entries in directory listing display (saves a redirect if user clicks on link).
Better default values.
Leave persisting nodes where they are on graph update.
Better animated transitions.
Less scary update button color.
Added an animation toggle button.
Adding animation button.
Removing unnecessary log statements.
Bootstrap application by calling updateGraph() once manually.
Better graphical behavior for animating graphs.
Merge branch 'enron'

Improved date-to-date update/rendering of graph.