chore(package): update karma-browserstack-launcher to version 0.1.9
chore(package): update karma-browserstack-launcher to version 0.1.9

http://greenkeeper.io/
johnjbarton/karma,karma-runner/karma,panrafal/karma,karma-runner/karma,mprobst/karma,kahwee/karma,shirish87/karma,panrafal/karma,wesleycho/karma,Dignifiedquire/karma,karma-runner/karma,Dignifiedquire/karma,ernsheong/karma,karma-runner/karma,shirish87/karma,kahwee/karma,pedrotcaraujo/karma,pedrotcaraujo/karma,wesleycho/karma,johnjbarton/karma,johnjbarton/karma,david-garcia-nete/karma,ernsheong/karma,pedrotcaraujo/karma,david-garcia-nete/karma,shirish87/karma,kahwee/karma,Dignifiedquire/karma,johnjbarton/karma,wesleycho/karma,pedrotcaraujo/karma,maksimr/karma,ernsheong/karma,maksimr/karma,panrafal/karma,maksimr/karma,kahwee/karma,david-garcia-nete/karma,mprobst/karma,Dignifiedquire/karma,wesleycho/karma,mprobst/karma