Visualization: produce graphs on separate page

[dakotabenjamin]

That will free up the page for a cleaner look.

[dakotabenjamin]

• [ ] Move the chart container div to chart.php
• [ ] Move relevant scripts to chart.php
  • [ ] Styles
  • [ ] PHP that fetches metadata
  • [ ] Form output
  • [ ] chart container
  • [ ] download scripts
• [ ] change the form action to reference chart.php