code: function initTernEnv() {
          var path = [_absoluteModulePath, "node/node_modules/tern/defs/"].join("/"),
              files = builtinFiles,
              library;
  
          files.forEach(function (i) {
              FileSystem.resolve(path + i, function (err, file) {
                  if (!err) {
                      FileUtils.readAsText(file).done(function (text) {
                          library = JSON.parse(text);
                          builtinLibraryNames.push(library["!name"]);
                          ternEnvironment.push(library);
                      }).fail(function (error) {
                          console.log("failed to read tern config file " + i);
                      });
                  } else {
                      console.log("failed to read tern config file " + i);
                  }
              });
          });
      }
docs: Read in the json files that have type information for the builtins, dom,etc