When a Pane is removed, layout of #panes div is adjusted appropriately

src/app/editor.coffee

@@ -494,16 +494,16 @@ class Editor extends View
     @setCursorBufferPosition(fold.start)
 
   splitLeft: ->
-    @pane()?.splitLeft(@copy())
+    @pane()?.splitLeft(@copy()).wrappedView
 
   splitRight: ->
-    @pane()?.splitRight(@copy())
+    @pane()?.splitRight(@copy()).wrappedView
 
   splitUp: ->
-    @pane()?.splitUp(@copy())
+    @pane()?.splitUp(@copy()).wrappedView
 
   splitDown: ->
-    @pane()?.splitDown(@copy())
+    @pane()?.splitDown(@copy()).wrappedView
 
   pane: ->
     @parent('.pane').view()

src/app/pane.coffee

@@ -44,7 +44,18 @@ class Pane extends View
     pane = new Pane(view)
     this[side](pane)
     @rootView().adjustPaneDimensions()
-    view
+    pane
+
+  remove: (selector, keepData) ->
+    return super if keepData
+    # find parent elements before removing from dom
+    parentAxis = @parent('.row, .column')
+    rootView = @rootView()
+    super
+    if parentAxis.children().length == 1
+      sibling = parentAxis.children().detach()
+      parentAxis.replaceWith(sibling)
+    rootView.adjustPaneDimensions()
 
   buildPaneAxis: (axis) ->
     switch axis

src/app/root-view.coffee

@@ -107,6 +107,7 @@ class RootView extends View
 
   adjustPaneDimensions: ->
     rootPane = @panes.children().first().view()
+    rootPane?.css(width: '100%', height: '100%')
     rootPane?.adjustDimensions()
 
   toggleFileFinder: ->