change `nodejs-version` from 0.0.1 to 0.0.2
change 'nodejs' to 'nodejs-repl'
change README
Add trailing "ends here" line and autoload cookie

The "ends here" line is required by package.el (see function `package-buffer-info`).

The `autoload` directive allows users to start nodejs-repl without first requiring the library.
correct bad English
Added custom var to add command line parameters to the nodejs command