Log message:
Use https for jupyter.org.

Log message:
py-nbconvert: updated to 5.5.0

5.5.0:

New Features
- IPyWidget Support
- A new ClearMetadata Preprocessor is available
- Support for pandoc 2
- New, and better, latex template

Fixing Problems
- Refactored execute preprocessor to have a process_message function
- Fixed OOM kernel failures hanging
- Fixed latex export for svg data in python 3
- Enabled configuration to be shared to exporters from script exporter
- Make latex errors less verbose
- Typo in template syntax
- Improved attachments +fix supporting non-unique names
- PDFExporter "output_mimetype" traitlet is not longer 'text/latex'
- FIX: respect wait for clear_output
- address deprecation warning in cgi.escape
- Correct inaccurate description of available LaTeX template
- Fixed kernel death detection for executions with timeouts
- Fixed export names for various templates

Deprecations
- Dropped support for python 3.4
- Removed deprecated export_by_name

Testing, Docs, and Builds
- Added tests for each branch in execute's run_cell method
- Mention formats in --to options more clearly
- Adds ascii output type to command line docs page, mention image folder output
- Simplify setup.py
- Use utf-8 encoding in execute_api example
- Upgrade pytest on Travis
- Fix LaTeX base template name in docs
- Updated release instructions based on 5.4 release walk-through
- Fixed broken link to jinja docs

Log message:
py-nbconvert: updated to 5.4.1

5.4.1:
New Features
- Expose pygments styles
- Tornado 6.0 support -- Convert proxy handler from callback to coroutine
- Add option to overwrite the highlight_code filter

Fixing Problems
- Mathjax.tpl fix for rendering Latex in html
- Backwards compatbility for empty kernel names

Testing, Docs, and Builds
- DOC: Add missing language specification to code-block

Log message:
py-nbconvert: updated to 5.4.0

5.4.0:

New Features
- No input flag (--no-input)
- Add alias --to ipynb for notebook exporter
- Add export_from_notebook
- If set, use nb.metadata.authors for LaTeX author line
- Populate language_info metadata when executing
- Support for \mathscr
- Allow the execute preprocessor to make use of an existing kernel
- Refactor ExecutePreprocessor
- Update widgets CDN for ipywidgets 7 w/fallback
- Add support for adding custom exporters to the "Download as" menu.
- Enable ANSI underline and inverse
- Update notebook css to 5.4.0
- Change default for slides to direct to the reveal cdn rather than locally
- Use "title" instead of "name" for metadata to match the \ 
notebook format
- Img filename metadata
- Added MathJax compatibility definitions
- Per cell exception
- Simple API for in-memory templates
- Set BIBINPUTS and BSTINPUTS environment variables when making PDF
- If nb.metadata.title is set, default to that for notebook

Deprecations
- Drop support for python 3.3

Fixing Problems
- Fix api break
- Don't remove empty cells by default
- Handle attached images in html converter
- No need to check for the channels already running
- Update font-awesome version for slides
- Properly treat JSON data
- Skip executing empty code cells
- Ppdate log.warn (deprecated) to log.warning
- Cleanup notebook.tex during PDF generation
- Windows unicode error fixed, nosetest added to setup.py
- Better content hiding; template & testing improvements
- Fix Jinja syntax in custom template example.
- Fix for an issue with empty math block
- Add parser for Multiline math for LaTeX blocks
- Use defusedxml to parse potentially untrusted XML
- Fixes for traitlets 4.1 deprecation warnings

Testing, Docs, and Builds
- A couple of typos
- Add python_requires metadata.
- Document --inplace command line flag.
- Fix minor typo in usage.rst
- Add note about local reveal_url_prefix
- Move onlyif_cmds_exist decorator to test-specific utils
- Include LICENSE file in wheels
- Added Ubuntu Linux Instructions
- Check for too recent of pandoc version
- Removing more nose remnants via dependencies.
- Remove offline statement and add some clarifications in slides docs
- Linkify PR number
- Added shebang for python
- Upgrade mistune dependency
- add feature to improve docs by having links to prs
- Update notebook CSS from version 4.3.0 to 5.1.0
- Explicitly exclude or include all files in Manifest.

Log message:
py-nbconvert: update to 5.3.1

5.3.1
MANIFEST.in updated to include LICENSE and scripts/ when creating sdist.

Log message:
Add py-nbconvert 5.1.1

Converting Jupyter Notebooks