Be more clear about copyright
Merge remote-tracking branch 'isotoma/master'

Conflicts:
	buildbot_travis/config.py
	buildbot_travis/envgraph.py
	buildbot_travis/factories/spawner.py
	buildbot_travis/loader.py
	buildbot_travis/monkeypatches/__init__.py
	buildbot_travis/status/__init__.py
	buildbot_travis/status/add_project.py
	buildbot_travis/status/build.py
	buildbot_travis/status/delete_project.py
	buildbot_travis/status/mail.py
	buildbot_travis/status/project.py
	buildbot_travis/status/status.py
	buildbot_travis/status/websocketstatus.py
	buildbot_travis/steps/base.py
	buildbot_travis/steps/spawner.py
	buildbot_travis/travisyml.py