2. Added link-textbox for viz of each parameter form the dropdown box in temporal vis.
3. Made sure that the choices are preserved when another option is selected from the dropdown box.
4. Refactor of some legacy front-end code for temporal vis.
5. Added legend for bars drawn below the graph.
6. Formatted the last cached at date time.
2. Fixed the bug NIHVIVO-1595. Now for https: sites the sparkline visualizations are rendered by generating a chart image url instead of going throught the google visualization API. This image is directly placed in the container. For http sites it follows the old procedure.