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*(released 2018-11-26)*
- Adds JSON-LD context to objects extracted from the Git repository
(see ``renku show context --list``).
- Uses PROV-O and WFPROV as provenance vocabularies and generates "stable"
object identifiers (``id``) for RDF and JSON-LD output formats.
- Refactors the log output to allow linking files and directories.
- Adds support for aliasing tools and workflows.
- Adds option to install shell completion (``renku --install-completion``).
- Fixes initialization of Git submodules.
- Uses relative submodule paths when appropriate.
- Simplifies external storage configuration.