Add Travis CI jobs with stem 1.7.0 and stem master

We need to make sure sbws works with the stable and master versions of stem.

changed milestone to %sbws: 1.2.x-final in legacy/trac

Trac:
Parent Ticket: legacy/trac#30406 (moved)

added component::core tor/sbws in Legacy / Trac milestone::sbws: 1.2.x-final in Legacy / Trac parent::30406 in Legacy / Trac priority::medium in Legacy / Trac severity::normal in Legacy / Trac status::new in Legacy / Trac type::enhancement in Legacy / Trac labels

mentioned in issue legacy/trac#30406 (moved)

moved from legacy/trac#30643 (moved)

added Feature label and removed 1 deleted label

removed 1 deleted label

closed