Added remote changes

src/default-theme/icons.css

@@ -13,22 +13,27 @@
   background-position: center;
 }
 
+
 .jp-AddIcon {
   background-image: url(icons/md/add.svg);
 }
 
+
 .jp-CloseIcon {
   background-image: url(icons/md/close.svg);
 }
 
+
 .jp-CutIcon {
   background-image: url(icons/md/cut.svg);
 }
 
+
 .jp-CopyIcon {
   background-image: url(icons/md/copy.svg);
 }
 
+
 .jp-DownCaretIcon {
   background-image: url(icons/md/down_caret.svg);
 }

src/default-theme/icons/notebook.svg

@@ -6,13 +6,11 @@
 	.st0{fill:#FFFFFF;}
 </style>
 <g>
-	<path d="M14,2H6C4.9,2,4,2.9,4,4v16c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2V8L14,2z M13,9V3.5L18.5,9H13z"/>
-	<g>
-		<path class="st0" d="M5.5,16.2c0-0.7,0-1.4,0-1.9H7l0.1,0.8h0C7.4,14.8,8,14.2,9,14.2c1.2,0,2.1,0.8,2.1,2.5v3.5H9.2v-3.2
-			c0-0.8-0.3-1.3-0.9-1.3c-0.5,0-0.8,0.3-0.9,0.7c0,0.1-0.1,0.3-0.1,0.5v3.4H5.5V16.2z"/>
-		<path class="st0" d="M12.5,20.2c0-0.4,0-1.1,0-1.8v-6.8h1.8V15h0c0.3-0.5,1-0.8,1.8-0.8c1.4,0,2.4,1.2,2.4,3
-			c0,2.1-1.3,3.2-2.7,3.2c-0.7,0-1.3-0.3-1.8-0.9h0L14,20.2H12.5z M14.3,17.7c0,0.1,0,0.2,0,0.3c0.1,0.5,0.5,0.9,1.1,0.9
-			c0.8,0,1.3-0.6,1.3-1.7c0-0.9-0.4-1.6-1.3-1.6c-0.5,0-0.9,0.4-1.1,0.9c0,0.1,0,0.2,0,0.3V17.7z"/>
-	</g>
+	<path d="M14,2H6C4.9,2,4,2.9,4,4v16c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2V8L14,2z M11.1,19.2H10v-3.3c0-0.9-0.3-1.7-1.3-1.7
+		c-0.7,0-1.2,0.5-1.4,1.1c0,0.1-0.1,0.3-0.1,0.5v3.5H6.1V15c0-0.6,0-1.1,0-1.6H7l0.1,1h0c0.3-0.6,1-1.1,1.9-1.1
+		c0.8,0,2.1,0.5,2.1,2.5V19.2z M15.7,19.4c-0.8,0-1.5-0.3-1.9-1.1h0l0,1h-0.9c0-0.4,0-1,0-1.5v-7h1v3.6h0c0.4-0.6,1-1.1,2-1.1
+		c1.4,0,2.5,1.2,2.4,3C18.3,18.3,17,19.4,15.7,19.4z M13,9V3.5L18.5,9H13z"/>
+	<path d="M15.5,14.1c-0.7,0-1.4,0.5-1.6,1.3c0,0.1-0.1,0.3-0.1,0.4v1c0,0.1,0,0.3,0,0.4c0.2,0.7,0.8,1.2,1.6,1.2
+		c1.1,0,1.8-0.9,1.8-2.2C17.2,15.1,16.6,14.1,15.5,14.1z"/>
 </g>
 </svg>

src/filebrowser/crumbs.ts

@@ -371,7 +371,7 @@ namespace Private {
    * Create the breadcrumb nodes.
    */
   export
-  function createCrumbs(): HTMLElement[] {
+  function createCrumbs(): ISequence<HTMLElement> {
     let home = document.createElement('span');
     home.className = MATERIAL_CLASS + ' ' + BREADCRUMB_HOME + ' ' + BREADCRUMB_ITEM_CLASS;
     let ellipsis = document.createElement('span');