{
  "angularJs": "../node_modules/angular/angular.js",
  "bootflatCss": "../node_modules/bootflat/css/bootflat.min.css",
  "bootstrapCss": "../node_modules/bootstrap/dist/css/bootstrap.min.css",
  "bootstrapJs": "../node_modules/bootstrap/dist/js/bootstrap.min.js",
  "flatuiCss": "../node_modules/flat-ui/css/flat-ui.css",
  "jqueryJs": "../node_modules/jquery/dist/jquery.min.js"
}

{
  "angularJs": "../node_modules/angular/angular.js",
  "bootflatCss": "../node_modules/bootflat/bootflat/css/bootflat.min.css",
  "bootstrapCss": "../node_modules/bootstrap/dist/css/bootstrap.min.css",
  "bootstrapJs": "../node_modules/bootstrap/dist/js/bootstrap.min.js",
  "flatuiCss": "../node_modules/flat-ui/css/flat-ui.css",
  "jqueryJs": "../node_modules/jquery/dist/jquery.min.js"
}

Correct URL pointing to bootflat's css (DEV mode)
Correct URL pointing to bootflat's css (DEV mode)

URL pointing to bootflat's css in "root/dev.options.json" is corrected.
