Release of version 0.3.0

[CermakM]

Related: #4

Changelog:

• [0.3.0-rc1] New minor release candidate
• Trigger events before and after finalization
• [0.3.0-rc] New minor release candidate
• Avoid deadlock on requirejs module loading error
• No need to use RegExp in syntax highlighting
• Fix syntax highlighting
• Change regex for syntax highlighting to requirejs
• API changes:
• Fix link_js script existence check
• Fix syntax highlighting in %%require cells
• Add get_executed_cell to Notebook prototype
• Pass context to the script being executed
• Fix link_js invalid condition
• Turn requrie into line_cell_magic
• Bump version
• Remove empty parameters from AsyncFunction
• Remove Pipfile.lock
• Bump version
• Jupyter-tools has become jupyter-nbutils package
• Fix typo in %%define
• Bump version
• Do not re-throw a script error to prevent kernel crash
• Bump version
• Magic to define new modules in-place
• Magic to reload linked libraries
• Do not re-link already linked styles and scripts
• Don't forget to pop library from LIBS on undef
• Magic to undefine linked modules
• Add cell magic to execute JS script directly
• Bump version
• Rename magic to comply with python API
• Fix incorrect imports and typo in requirements
• Add option to compress CSS before loading
• Move utilities from core to notebook module
• Link font awesome CSS and fix invisible icon
• Bump version
• Fix install instructions
• Link font awesome CSS on nbextension initialization
• Do not throw error if comm is not defined yet
• Bump version
• Dependency maintenance
• Modify install instructions in README.rst
• Wait for kernel and handle invalid user script
• Clean requirements properly in require.reload()
• Format error messages instead of returning objects
• Check if output has metadata
• Refactor core.py and stringify error traceback
• Fix reload with clear=True
• JSON.stringify error object
• Fix load_js duplicated script parameter
• Fix README extension in MANIFEST.in
• Remove leftover from preparation to node migration
• Update description
• Update README to reflect utils migration
• Bump version
• Move utils module to jupyter-tools
• Bump version
• Correct links in the resource table
• Replace raw directive
• Correct spelling grammar using grammarly
• Change content type for PyPI to render properly
• Rename to README.rst for GitHub to parse correctly
• Remove README.md
• Migrate README to .rst
• Bump version
• Update README.md
• Isolate scope of embedded safe scripts
• Bump version
• Finalize only once and select valid code cells
• Bump version
• Utilities to install jupyter-require extension
• Bump version
• Position the action button and change icon
• Introduce Save and Finalize action button
• Bump version
• Refactor Python-JS communication and logging
• Bump version
• Set correct output area element width
• Bump version
• Bidirectional communication
• Bump version
• Implement safe_execute method for persistent scripts
• Bump version
• Outputs are saved on kernel related events and proper close
• Enable copy/pasting for jupyter-require cells
• Persistens outputs in static frozen state
• Freeze and store cell output on save event
• Selected correct cell for requirement metadata
• Store outputs as display metadata
• Remove event manager completely
• Refactor event manager
• Replace display with execute_with_requirements
• Bump version
• Custom async execution and output
• [WIP] Custom async execution and output
• [WIP] Custom async execution and output
• [WIP] Custom async execution and output
• Bump version
• Execute JS scripts via comms
• Bump version
• Add module with common notebook utilities.
• Set only non-empty requirement metadata
• Temporary fix before node.js migration
• Bump version
• Conform to nbextension ipywidgets-like structure
• [WIP] Conform to nbextension ipywidgets-like structure
• Include events module dependency in main extension file
• Bump version
• Persistend requireJS requirements and cell updates
• [WIP] nbextension
• Bump version
• Use jupyter comms and promises to await required libs
• Bump version
• Allow additional attributes in link_css function
• Fix typo in summary
• Bump version
• Fix require arguments
• Bump version
• Give timeout before loading libraries
• Get rid of spectate and call update manually
• Bump version
• Move execute_js from jupyter_d3 to jupyter_require module
• Bump version
• Update README
• Bump version
• Fix setup.py to cope with PyPI
• Bump version
• Update README to reflect naming changing
• Bump version
• Load modules directly after linking
• Remove excessive print
• Rename package to jupyter_require to prevent clashes with require
• Fix typo in require
• Link modules properly
• Refactorings
• Update README
• Bump version
• Pass path properly and add setup calssifiers
• Bump version
• Move magic into separate module
• Add virtual environments to .gitignore
• Add requirements files
• Add setuptools and about module
• Rename to jupyter-require
• Ported from https://github.com/CermakM/jupyter-d3