Merge branch 'test_env' into tests
kill perl services using the new provided interface
Merge branch 'test_env' into tests
be more verbose in case of failure
Merge pull request #50 from reneme/tests

This contains the external Perl Services httpd, named and webproxy and some shell script code to handle their usage from within shell script test cases.

Plus testcase: Check for faulty DNS (timing out)
Merge branch 'master' into test_dns_injection