Update charts and board to latest (#7)

bower.json

@@ -18,8 +18,8 @@
     "tests"
   ],
   "dependencies": {
-    "vaadin-board": "1.1.0-beta1",
-    "vaadin-charts": "6.0.0-alpha7",
-    "vaadin-core": "10.0.0-alpha13"
+    "vaadin-board": "2.0.0-alpha1",
+    "vaadin-charts": "6.0.0-alpha12",
+    "vaadin-core": "10.0.0-alpha14"
   }
 }