Begin integrating blueprint (#359)

* toast test

* modify webpack build to allow for global CSS; use CSS modules to scope component styling

* remove heatmap

* add label to index resets

* swapping out buttons for blueprint

* adding constants to globals

* swapping out blueprint buttons

* title position, sidebar improvements

* sidebar styles

* adding toasts for validation errors

* zebra section trial

* integrating blueprint, switching buttons over, breaking out scatter

* clean up console

client/src/components/framework/toasters.js

@@ -0,0 +1,12 @@
+import { Position, Toaster, Intent } from "@blueprintjs/core";
+
+/** Singleton toaster instance. Create separate instances for different options. */
+export const ErrorToastTopCenter = Toaster.create({
+  className: "recipe-toaster",
+  position: Position.TOP,
+  intent: Intent.WARNING
+});
+
+export default {
+  ErrorToastTopCenter
+};