proffer 0.0.2

• Respond to CRAN feedback on version 0.0.1. Software and API names in the DESCRIPTION now appear in single quotes, the grammatical errors are gone, and new links reference the methodological background and context of proffer (https://github.com/google/pprof, https://developers.google.com/protocol-buffers, and https://github.com/r-prof/profile).
• Use processx instead of callr (#5, @gaborcsardi).
• Add Graphviz installation instructions.
• Add pprof and Graphviz as system requirements.

proffer 0.0.1

• First version.