Renaming img directory to images in preparation for implementing dataTables plugin (trying to keep a single images directory)

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Changing styles to reference new image location

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Initial implementation of three visualization tabs;
Adding dataTables plugin to data tab;
Map and Time tabs don't currently work;

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Fleshing out Time panel - removing duplicate call to d3.js, adding panel-specific styles, and the data feed for running time information

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Initial setup of Map panel;
adding map styles, calls to d3 mapping libraries, and 50m world map file

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>