The right number of commits to fetch is enough to be able to create
a `git describe` result - basically back until the most recent parent
annotated tag.
However, the github action/checkout@v2 only allows a simple number,
which is basically the answer to "how long is a piece of string"
* Add workaround for 'truthy' warnings in yaml
See https://github.com/adrienverge/yamllint/issues/158
for some more discussion
* Check each yamllint line length warning and clearly markup those which cannot be easily folded into shorter lines
* Consolidate all binaries into one artifact bucket
* Remove unused variables from cmake matrix
* Consolidate dpkg and rpm packages into one bucket each
* Consolidate all the coverage reports into one bucket
* Consolidate all the test outputs into one bucket
* Avoid the artifact prefix removal using a simple hack, but upload the expected test results as a consequance
Hamish Coleman
Sven Roederer