Updating to jupyterlab 0.29.x

Author: Tony Kinsley

package.json

@@ -31,13 +31,13 @@
     "watch": "tsc -w"
   },
   "dependencies": {
-    "@jupyterlab/application": "^0.11.0",
-    "@jupyterlab/apputils": "^0.11.0",
-    "@jupyterlab/coreutils": "^0.11.0",
-    "@jupyterlab/docmanager": "^0.11.0",
-    "@jupyterlab/docregistry": "^0.11.0",
-    "@jupyterlab/filebrowser": "^0.11.0",
-    "@jupyterlab/services": "^0.50.0",
+    "@jupyterlab/application": "^0.12.0",
+    "@jupyterlab/apputils": "^0.12.0",
+    "@jupyterlab/coreutils": "^0.12.0",
+    "@jupyterlab/docmanager": "^0.12.0",
+    "@jupyterlab/docregistry": "^0.12.0",
+    "@jupyterlab/filebrowser": "^0.12.0",
+    "@jupyterlab/services": "^0.51.0",
     "@phosphor/widgets": "^1.3.0"
   },
   "devDependencies": {