Update linter to enforce space after a comma in a function's parameter list and fixed all linting errors caused by this change.

Updated links/tooltips to remove use of the term "classic" to refer to legacy pages. Also cleaned up the code which creates tooltips.

Added tests and cleaned up the cursor slider code. Removed the cursor-slider from d3-rendering library.

Added an additional parameter to alerts to allow a slim alert. Code now draws the appropriate checkboxes and the clicking the download button detects which boxes have been checked.

Updated to cleanup with hydrograph line rendering and to create a consistent set of elements that will be rendered that can be used by the graph server to determine when rendering is complete.

how to bring in a non-ES6 module or figure out how to import Leaflet.

Initial implementation of showing active sites works. Need to work on adding styling differences for RTN and RTS sites.