created Docker files
created docker Container
ported one testcase to docker
portet remaining testcases to Docker.
Extended dockerfile to create an initial Repo from the svnRepo folder (next to the Dockerfile)
changed author form itgkarl to Matthias Karl
refactored testcase.
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/test/java/plugins/SubversionPluginTest.java