next-updater has upgraded 9 dependencies

Hi!

I have upgraded dependencies to the latest non-breaking versions

    prompt -> 0.2.14
    check-types -> 0.8.1
    easy-table -> 0.3.0
    optimist -> 0.6.1
    matchdep -> 0.3.0
    grunt -> 0.4.5
    grunt-bump -> 0.0.16
    grunt-contrib-jshint -> 0.10.0
    gt -> 0.8.47

Truly yours, [next-updater](https://github.com/bahmutov/next-updater)