menubar (#804)

* menubar 1

* zoom switching

* centering, pixel perfect canvas

* remove dead args and code

* clipping

* remove log

* if

* connect props

* lint

* undo

* logo left, componetize

* graph back to full height

* shadow to top

* do not prematurely call event handlers during render

* change test to deal with async histogram creation

* left section padding

* lint

* adjust graph to account for top bar,

* lasso tests

* refine histogram tests

* remove testing (onlys)

client/src/reducers/controls.js

@@ -16,7 +16,7 @@ const Controls = (
     diffexpGenes: [],
 
     resettingInterface: false,
-
+    graphInteractionMode: "select",
     opacityForDeselectedCells: 0.2,
     scatterplotXXaccessor: null, // just easier to read
     scatterplotYYaccessor: null,
@@ -138,6 +138,11 @@ const Controls = (
     /*******************************
              User Events
      *******************************/
+    case "change graph interaction mode":
+      return {
+        ...state,
+        graphInteractionMode: action.data
+      };
     case "change opacity deselected cells in 2d graph background":
       return {
         ...state,