If track-changes is not enabled, don't show hotkeys for it.

services/web/app/views/project/editor/hotkeys.pug

@@ -90,8 +90,8 @@ script(type="text/ng-template", id="hotkeysModalTemplate")
 					span.combination Ctrl + Space 
 					span.description Search References
 		
-		h3 #{translate("review")}
-		.row
+		h3(ng-if="trackChangesVisible") #{translate("review")}
+		.row(ng-if="trackChangesVisible")
 			.col-xs-4
 				.hotkey
 					span.combination {{ctrl}} + J
@@ -108,4 +108,4 @@ script(type="text/ng-template", id="hotkeysModalTemplate")
 	.modal-footer
 		button.btn.btn-default(
 			ng-click="cancel()"
-		) #{translate("ok")}
+		) #{translate("ok")}

services/web/public/coffee/ide/hotkeys/controllers/HotkeysController.coffee

@@ -10,13 +10,16 @@ define [
 				templateUrl: "hotkeysModalTemplate"
 				controller:  "HotkeysModalController"
 				size: "lg"
+				resolve:
+					trackChangesVisible: () -> $scope.project.features.trackChangesVisible
 			}
 		
-	App.controller "HotkeysModalController", ($scope, $modalInstance)->
+	App.controller "HotkeysModalController", ($scope, $modalInstance, trackChangesVisible)->
+		$scope.trackChangesVisible = trackChangesVisible
 		if ace.require("ace/lib/useragent").isMac
 			$scope.ctrl = "Cmd"
 		else
 			$scope.ctrl = "Ctrl"
 		
 		$scope.cancel = () ->
-			$modalInstance.dismiss()
+			$modalInstance.dismiss()