adding akka diagnostics and some cleansing

[franciscolopezsancho]

References akka/akka-diagnostics#19

Kept in draft until akka-diagnostics 2.0.0-M3 release

[patriknw]

looking good, feel free to cut the diagnostics M3 to unlock these sample PRs

Did you try running some of them?

[franciscolopezsancho]

I did not run any of them. I was waiting to release the M3. I was wondering if only run a few or run them all. I was more inclined toward the latter.

[patriknw]

Probably no need to run all, but pick a few. Those with most dependencies are more important.

[patriknw]

same thing in several places

[franciscolopezsancho]

"3.0.8" was the previous version in the build.sbt (in most build.sbt). Are you suggesting bumping it to 3.1.0 in all?

[patriknw]

ok, while you are anyway changing it you can bump to 3.1.0

[franciscolopezsancho]

There is one project with '3.1.1' I'll use that for the rest.

[franciscolopezsancho]

I checked it in quite a few projects. In a couple of them I found some unrelated issues that I raised in a separate issue.

[franciscolopezsancho]

I checked it works in quite a few projects: all good. No warning about the conf and no errors. In a couple of them I found some unrelated issues that I raised in a separate issue.

[patriknw]

LGTM