next-updater has upgraded 12 dependencies

Hi!

I have upgraded dependencies to the latest non-breaking versions

    check-types 1.1.1 -> 1.4.0
    console.json 0.1.1 -> 0.1.2
    prompt 0.2.12 -> 0.2.14
    easy-table 0.2.0 -> 0.3.0
    gt 0.8.33 -> 0.8.47
    jshint-stylish 0.1.5 -> 0.4.0
    gulp 3.5.0 -> 3.8.10
    gulp-jshint 1.3.4 -> 1.9.0
    pre-git 0.0.15 -> 0.1.1
    grunt 0.4.2 -> 0.4.5
    time-grunt 0.2.8 -> 0.4.0
    grunt-bump 0.0.13 -> 0.0.16

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