all-exercises: Add/move versioning to package.yaml

[rbasso]

Move the exercise's versioning information from the test suites to the package.yaml files, including sensible default versions when no information is available.

Checking if the contents of the test suite matches the canonical-data.json file is not in the scope of this PR.

Related to #522.

[petertseng]

Everything looks great.

81 * 2 is 162 - the five test files that did not change are

• hello-world, zebra-puzzle (did not have comments to begin with)
• beer-song, food, chain, house (reason for leaving comment is explained)

So all files are accounted for

[petertseng]

Checking if the contents of the test suite matches the canonical-data.json file

It will be useful to do that so we can declare ourselves up to date if we are in fact up to date. Any plans to do it? If I do not hear that someone else is doing it sometime, I may start doing it, but it would be a shame if I duplicated work.

I ask because I just did the same for another track in exercism/rust#282

[rbasso]

It would be great if you could do that, @petertseng! 😄