update jenkins seed
extend test_restart_master to test if progress is possible while previous master is down
Merge pull request #264 from Incubaid/test-restart-master

Test restart master + update seed
Merge remote-tracking branch 'refs/remotes/origin/1.6' into 1.6-for-1.7

Conflicts:
	jenkins/base/008_install_dev_env.sh
	jenkins/base/seed
	jenkins/seed
	jenkins/system_tests_quick/seed
update changelog
remove CHANGELOG
Merge branch 'origin-1.6' into origin-1.6-for-1.7
Merge pull request #265 from Incubaid/1.6-for-1.7

1.6 for 1.7