chore(package): update phantomjs to version 1.9.19
chore(package): update phantomjs to version 1.9.19

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