v0.1.0 * git2graph: add support for origins & snapshots * git2graph: sanitize struct names (refactoring) * Add count() methods * graph: cosmetic fixes and comments * backend: propagate java errors to the toplevel * graph.py: add 'deep' methods * Add low level API (WIP) * conftest: remove unused variable * java/graph: docs: fix trailing commas * java/graph: fix javadoc errors * git2graph: add support for (explicitly passed) origin nodes * git2graph: add back node output support, with simpler/saner semantics * git2graph: update benchmark figures in README * git2graph: drop node filtering and output, it has no sane semantics * git2graph: implement user-customizable graph filtering * git2graph: add real CLI parsing and make both nodes/edges files optional * git2graph: add test suite * git2graph: add (static) support for filtering desired nodes & edges * git2graph Makefile: factor out definition of wanted libs * pom.xml: reindent to 2-space per TAB (Maven convention) * java toolchain: sanitize (fat) jar naming to swh-graph-X.Y.Z.jar * Dockerfile: tigthening, joining RUN runs together and rm temp stuff