chore(package): update socket.io to version 1.4.2
chore(package): update socket.io to version 1.4.2

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