Merge pull request #2884 from github/more-community-cleanup

some more community cleanup

community/Bazel.gitignore

+# gitignore template for Bazel build system
+# website: https://bazel.build/
+
+# Ignore all bazel-* symlinks. There is no full list since this can change
+# based on the name of the directory bazel is cloned into.
+/bazel-*

community/Exercism.gitignore

+# gitignore template for Exercism project
+# website: https://exercism.io/
+
+# Ignore .exercism folder which contain sensitive data
+.exercism

community/Puppet.gitignore

+# gitignore template for Puppet modules
+# website: https://forge.puppet.com/
+
+# Built packages
+pkg/*
+
+# Should run on multiple platforms so don't check in
+Gemfile.lock
+
+# Tests
+spec/fixtures/*
+coverage/*
+
+# Third-party
+vendor/*
+.bundle/*

community/Python/JupyterNotebooks.gitignore

+# gitignore template for Jupyter Notebooks
+# website: http://jupyter.org/
+
+.ipynb_checkpoints
+*/.ipynb_checkpoints/*
+
+# Remove previous ipynb_checkpoints
+#   git rm -r .ipynb_checkpoints/
+#

community/Python/Nikola.gitignore

+# gitignore template for Nikola static site generator
+# website: https://getnikola.com/
+
+.doit.db
+*.py[cod]
+cache/
+output/

community/Splunk.gitignore

+# gitignore template for Splunk apps
+# documentation: http://docs.splunk.com/Documentation/Splunk/6.2.3/admin/Defaultmetaconf
+
+# Splunk local meta file
+local.meta
+
+# Splunk local folder
+local