Add .ruby-* to .gitignore
Allow more granular configuration
Do not add options for --list, work around --require bug

- for --list we do not need command line options
- for --require, we hit a piping bug and need temp file to work around
Add NODE_PATH to support Rails asset paths

* add logging support
* change config a little bit so have another top level with
  debug option (log) and the script directives under javascript:
Cleanup how NODE_PATH is passed to browserify to make error messages shorter