updated: disallow null IDs for EkstaziPermalink
added: test(s) for EkstaziPermalink
- added: dependency on mockito framework
- added: some resource(s) for tests
- added: dependency on maven-resources-plugin to avoid a bug with IntelliJ IDEA [http://stackoverflow.com/questions/8314715/maven-does-not-copy-non-java-files]
- added: test(s) for EkstaziPermalinkProjectAction
updated: super-minor refactoring
- added: test(s) for EkstaziProminentProjectAction
- updated: visibility of EkstaziProminentProjectAction.lastBuildExists() to private