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/reducers/controls.js

@@ -516,6 +516,12 @@ const Controls = (
         ...state,
         scatterplotYYaccessor: action.data
       };
+    case "clear scatterplot":
+      return {
+        ...state,
+        scatterplotXXaccessor: null,
+        scatterplotYYaccessor: null
+      };
 
     default:
       return state;