Update JupyterHub chart dependency and images

.gitignore

@@ -1,8 +1,8 @@
 telepresence.log
-
 helm-chart/renku-notebooks/charts/*.tgz
 
-# Created by https://www.gitignore.io/api/vim,linux,emacs,macos,python,sublimetext
+# Created by https://www.gitignore.io/api/vim,linux,emacs,macos,python,sublimetext,visualstudiocode
+# Edit at https://www.gitignore.io/?templates=vim,linux,emacs,macos,python,sublimetext,visualstudiocode
 
 ### Emacs ###
 # -*- mode: gitignore; -*-
@@ -47,28 +47,13 @@ flycheck_*.el
 
 # projectiles files
 .projectile
-projectile-bookmarks.eld
 
 # directory configuration
 .dir-locals.el
 
-# saveplace
-places
-
-# url cache
-url/cache/
-
-# cedet
-ede-projects.el
-
-# smex
-smex-items
+# network security
+/network-security.data
 
-# company-statistics
-company-statistics-cache.el
-
-# anaconda-mode
-anaconda-mode/
 
 ### Linux ###
 
@@ -85,7 +70,8 @@ anaconda-mode/
 .nfs*
 
 ### macOS ###
-*.DS_Store
+# General
+.DS_Store
 .AppleDouble
 .LSOverride
 
@@ -133,9 +119,12 @@ parts/
 sdist/
 var/
 wheels/
+pip-wheel-metadata/
+share/python-wheels/
 *.egg-info/
 .installed.cfg
 *.egg
+MANIFEST
 
 # PyInstaller
 #  Usually these files are written by a python script from a template
@@ -150,19 +139,25 @@ pip-delete-this-directory.txt
 # Unit test / coverage reports
 htmlcov/
 .tox/
+.nox/
 .coverage
 .coverage.*
 .cache
-.pytest_cache/
 nosetests.xml
 coverage.xml
 *.cover
 .hypothesis/
+.pytest_cache/
 
 # Translations
 *.mo
 *.pot
 
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
 # Flask stuff:
 instance/
 .webassets-cache
@@ -179,11 +174,15 @@ target/
 # Jupyter Notebook
 .ipynb_checkpoints
 
+# IPython
+profile_default/
+ipython_config.py
+
 # pyenv
 .python-version
 
 # celery beat schedule file
-celerybeat-schedule.*
+celerybeat-schedule
 
 # SageMath parsed files
 *.sage.py
@@ -209,21 +208,29 @@ venv.bak/
 
 # mypy
 .mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+### Python Patch ###
+.venv/
 
 ### SublimeText ###
-# cache files for sublime text
+# Cache files for Sublime Text
 *.tmlanguage.cache
 *.tmPreferences.cache
 *.stTheme.cache
 
-# workspace files are user-specific
+# Workspace files are user-specific
 *.sublime-workspace
 
-# project files should be checked into the repository, unless a significant
-# proportion of contributors will probably not be using SublimeText
+# Project files should be checked into the repository, unless a significant
+# proportion of contributors will probably not be using Sublime Text
 # *.sublime-project
 
-# sftp configuration file
+# SFTP configuration file
 sftp-config.json
 
 # Package control specific files
@@ -243,15 +250,32 @@ bh_unicode_properties.cache
 GitHub.sublime-settings
 
 ### Vim ###
-# swap
-.sw[a-p]
-.*.sw[a-p]
-# session
+# Swap
+[._]*.s[a-v][a-z]
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+
+# Session
 Session.vim
-# temporary
+
+# Temporary
 .netrwhist
-# auto-generated tag files
+# Auto-generated tag files
 tags
+# Persistent undo
+[._]*.un~
+
+### VisualStudioCode ###
+.vscode
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
 
+### VisualStudioCode Patch ###
+# Ignore all local history of files
+.history
 
-# End of https://www.gitignore.io/api/vim,linux,emacs,macos,python,sublimetext
+# End of https://www.gitignore.io/api/vim,linux,emacs,macos,python,sublimetext,visualstudiocode

Pipfile

@@ -18,6 +18,7 @@ pyyaml = ">=4.2b1"
 
 [dev-packages]
 chartpress = "*"
+pylint = "*"
 
 [requires]