Merge branch 'master' of https://github.com/uhafner/acceptance-test-harness
Merge branch 'master' of https://github.com/uhafner/acceptance-test-harness
Native for docker is supported again,
using small work around for figuring out if docker is supported.

Error in the standard ip address of the dockerFixture

TomCat7Container+DeployPluginTest changed for new docker system
Merge branch 'master' of https://github.com/uhafner/acceptance-test-harness

Conflicts:
	src/main/java/org/jenkinsci/test/acceptance/docker/Docker.java
Merge branch 'master' into dockerinject
added ssh key authentication  test