…ameraFinishEvent

…tremely low value to a high one

Add our repository and the required distributionManagement config, drop the maven-compiler-plugin config that's now inherited.

…main/{java,resources}

With this, we don't need the sourceDirectory override and custom resources config in the POM any longer.

All of that can be imported from the POM.

This is a single-module project, no need for a subdir, and this gets rid of the duplicated .gitignore, too.
Our MavenSetup currently expects the POM in the project root.

To avoid reformatting all whitespace, instead a custom EditorConfig specifies 4-space indent for Java files instead of our tabstop-based indentation.
Likewise, a CheckStyle suppression disables our custom Indentation rule.

…attributes

So that files are checked out with Unix-style line endings on Windows as well.

…t, and PR template

… warnings

Integrated via #1

Merge branch 'TASK-4714/build/MavenSetup'