Remove 'default' busybox user to fix integration tests
Suppress verbose messages from port allocation by default
Merge pull request #209 from mfojtik/verbose_ports

Suppress verbose messages from port allocation by default
Merge pull request #206 from mfojtik/fix_isolation_test

Merged by openshift-bot
Improve output for script downloads and cleanup sti tests.

Move the sti test images to tests/images and remove sti/contrib
Enhance contrib/test script to run and debug all types of tests.