Updated README in line with progress made.
Added metricInfo to index.html.
Added functionality to get metric info and put into graph (range, units, etc.).
Modified query.php to actually return request.
Made minor changes to how the metricinfo is created and used.
Made sure that the date extents don't change on change of metric.
Updated README accordingly.
Put a comment in CORSRequester.js
Fixed metric list limitation.
Updated index for demo.