Misc fixes to s3-website... path normalization and publish hidden directories as well.

[rlyle]

Feel free to take any of my fixes to this package..

1. Normalized the paths, so the code works on windows boxes as well.
2. Pass dot: true option into s3diff so that directories starting with . (dot) are published as well to the S3 bucket. App linking for google required us to publish files under a ".well-know/" directory and s3-website was ignoring these files.

[nick-benoit14]

Sorry to be slow getting to this, have just graduated and have been doing a lot of traveling. I will take a look at this later this week. Thanks for the interest!