fixing travis build by adding missing dependencies
fixing travis build by adding missing dependencies

loicmarie/grunt-debian-package,paulvarache/grunt-debian-package,transtep/grunt-debian-package,jamesdbloom/grunt-debian-package,paulvarache/grunt-debian-package,jamesdbloom/grunt-debian-package,transtep/grunt-debian-package,loicmarie/grunt-debian-package