fix(launcher): send sigkill on timeout when force killing
fix(launcher): send sigkill on timeout when force killing

johnjbarton/karma,karma-runner/karma,johnjbarton/karma,karma-runner/karma,pedrotcaraujo/karma,wesleycho/karma,shirish87/karma,maksimr/karma,maksimr/karma,david-garcia-nete/karma,david-garcia-nete/karma,karma-runner/karma,pedrotcaraujo/karma,karma-runner/karma,pedrotcaraujo/karma,david-garcia-nete/karma,maksimr/karma,kahwee/karma,wesleycho/karma,johnjbarton/karma,johnjbarton/karma,wesleycho/karma,shirish87/karma,wesleycho/karma,pedrotcaraujo/karma,kahwee/karma,kahwee/karma,kahwee/karma,shirish87/karma