Update JupyterLab version
MODIFY
repo2docker/buildpacks/python/requirements.frozen.txt
repo2docker/buildpacks/python/requirements.frozen.txt
# AUTO GENERATED FROM requirements.txt, DO NOT MANUALLY MODIFY
-# Frozen on Thu Nov 30 08:51:37 UTC 2017
+# Frozen on Thu Nov 30 11:49:16 UTC 2017
bleach==2.1.1
decorator==4.1.2
entrypoints==0.2.3
@@ -13,8 +13,8 @@ Jinja2==2.10
jsonschema==2.6.0
jupyter-client==5.1.0
jupyter-core==4.4.0
-jupyterlab==0.28.0
-jupyterlab-launcher==0.6.0
+jupyterlab==0.29.2
+jupyterlab-launcher==0.5.5
MarkupSafe==1.0
mistune==0.8.1
nbconvert==5.3.1

MODIFY
repo2docker/buildpacks/python/requirements.txt
repo2docker/buildpacks/python/requirements.txt
notebook==5.2.2
ipywidgets==6.0.0
-jupyterlab==0.28
+jupyterlab==0.29.2

MODIFY
repo2docker/buildpacks/python/requirements2.frozen.txt
repo2docker/buildpacks/python/requirements2.frozen.txt
# AUTO GENERATED FROM requirements2.txt, DO NOT MANUALLY MODIFY
-# Frozen on Thu Nov 30 08:51:48 UTC 2017
+# Frozen on Thu Nov 30 11:49:30 UTC 2017
backports-abc==0.5
backports.shutil-get-terminal-size==1.0.0
certifi==2017.11.5

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