Bump minimist, mkdirp, gulp-mocha and mocha#57

dependabot[bot] wants to merge 1 commit intomasterJohnPostlethwait/stringify:masterfrom

dependabot/npm_and_yarn/minimist-and-mkdirp-and-gulp-mocha-and-mocha-1.2.8JohnPostlethwait/stringify:dependabot/npm_and_yarn/minimist-and-mkdirp-and-gulp-mocha-and-mocha-1.2.8Copy head branch name to clipboard