Currently, the log in the database does not contain any information about the runtime of the individual job_ids. But I think this could be quite an interesting information to have.

The runtime can be logged either as a duration or with two timestamps: start_job and end_job.

Is your feature request related to a problem? Please describe.
I'm not being able to run Stryker in a project (netframework 4.5) inside a machine that doesn't have VS2017 installed (it has VS2015). Stryker fails when it tries to build the solution.

I ran some tests and found out that it tries to use the MSBuild.exe located at the first path defined on MSBuildHelper's.fallbackLocations.

The plugin source is currently split into two files, one of which is auto-generated by build.rs. The lib.rs is getting unwieldy. Time to browse for sets of functionality that can be put into their own modules, before navigating the source gets too cumbersome.

Summary

At the start of the program, I see the following output:

15:17:59.096 [pool-49-thread-1] INFO  stryker4s.mutants.Mutator - Found 12 of 14 file(s) to be mutated.
15:17:59.097 [pool-49-thread-1] INFO  stryker4s.mutants.Mutator - 257 Mutant(s) generated.
15:17:59.473 [scala-execution-context-global-367] INFO  stryker4s.sbt.runner.SbtMutantRunner - Setting up mutated environme