Specifying a custom package.json location for your project using .bithoundrc.

.bithoundrc

{
  "ignore": [
    "**/deps/**",
    "**/node_modules/**",
    "**/thirdparty/**",
    "**/third_party/**",
    "**/vendor/**",
    "**/**-min-**",
    "**/**-min.**",
    "**/**.min.**",
    "**/**jquery.?(ui|effects)-*.*.?(*).?(cs|j)s",
    "**/**jquery-*.*.?(*).?(cs|j)s",
    "**/prototype?(*).js",
    "**/mootools*.*.*.js",
    "**/dojo.js",
    "**/MochiKit.js",
    "**/yahoo-*.js",
    "**/yui*.js",
    "**/ckeditor*.js",
    "**/tiny_mce*.js",
    "**/tiny_mce/?(langs|plugins|themes|utils)/**",
    "**/MathJax/**",
    "**/shBrush*.js",
    "**/shCore.js",
    "**/shLegacy.js",
    "**/modernizr.custom.?(*).js",
    "**/knockout-*.*.*.debug.js",
    "**/extjs/*.js",
    "**/extjs/*.xml",
    "**/extjs/*.txt",
    "**/extjs/*.html",
    "**/extjs/*.properties",
    "**/extjs/.sencha",
    "**/extjs/docs/**",
    "**/extjs/builds/**",
    "**/extjs/cmd/**",
    "**/extjs/examples/**",
    "**/extjs/locale/**",
    "**/extjs/packages/**",
    "**/extjs/plugins/**",
    "**/extjs/resources/**",
    "**/extjs/src/**",
    "**/extjs/welcome/**",
    "bower_components/**"
  ],
  "test": [
    "**/test/**",
    "**/tests/**",
    "**/spec/**",
    "**/specs/**"
  ],
  "packageJsonLocation": "foo/package.json"
}

+1 multiple package.json file support would be great!

+1 multiple would be great for monorepos!

+1 for multiple package.json files.
In it's current format looks like it won't work for us. We have multiple microservices in one repository.