updated .travis.yml to the new setup
Shorten lines longer than 79 chars
Merge branch '7.0-long-lines' into 8.0-long-lines

Conflicts:
	.travis.yml
	connector/backend.py
	connector/checkpoint/checkpoint.py
	connector/connector.py
	connector/exception.py
	connector/queue/job.py
	connector/queue/model.py
	connector/queue/worker.py
	connector/session.py
	connector/tests/test_mapper.py
	connector/tests/test_related_action.py
Fix TypeError: not all arguments converted during string formatting

Because the string substitution applies only to 'Function %s', not
to the others.
Merge branch '7.0-long-lines' into 8.0-long-lines
Merge pull request #16 from guewen/8.0-long-lines

Forward port #15 (Shorten long lines) from 7.0