ncp dependency, path join, manifest v2

Add ncp dependency and implement recursive copy with ncp
Use path join for portability
Use path join in test.
Complete adding windows compatibility

New dependencies:
* wrench - for easy recursive file operations
* archiver - tool to zip files
* buggerstream - in memory data stream to write archiver data

Removed dependencies:
* (*nix) operating system
* zip command

The rest of the path joins using + were found and fixed.
Update README

Remove zip dependency
Update example javascript to use cross-platform join rather than plus to
concat directories