Update NodeJsRunner.java not to quote arguments

Quoting the arguments caused r.js to read the config file path as actually having a quotation mark at the beginning and end. When used on a directory with spaces in the path, this caused the following error:

    Error: ENOENT, no such file or directory '/path/with/spaces in/it/"'
Merge pull request #5 from patrick-a-cavanaugh/patch-1

Update NodeJsRunner.java not to quote arguments