[maven-scm] copy for tag 3.0.0

2.0.0 release

[maven-release-plugin] copy for tag 1.5.1

[maven-release-plugin] copy for tag zalando-sprocwrapper-1.5.0

[maven-release-plugin] copy for tag 1.4.0.M2

Merge pull request zalando-stups#13 from zalando/java8_fix

Revert back bumping of reflections version for backward compatibility.

add coverage badge (does not include integration test coverage yet)

use latest libs