Update

-bottom tabs contents and UI updates by Jamie
-implemented PlantView eFP
-implemented CellView eFP
-implemented WorldView eFP with Google Maps v3
-implemented PathwayView with Cytoscape.js
-optimized paths rendering by using cache (primarily to speed up eFP
views)
-implemented custom Tooltip class for tooltips that do not need binding
to HTML elements, for use on the Canvas
-other improvements