use plugin version and distinct artifactId in test pom

Using the same maven coordinates for the plugin under test and its
hosting test plugin causes confusion.
Now the current plugin version is injected by resource filtering.
The new host plugin name expresses its dummy purpose.
let Maven preconfigure the Mojos with their default values
Merge pull request #12 from albers/config

improved mojo configuration in tests
Updated the versions of the plugins.
[maven-release-plugin] prepare release derby-maven-plugin-1.10
[maven-release-plugin] prepare for next development iteration