v1.8 prompt for summary

This repo can now be used as a starting point for your own project. See usage info in: README-dev-usage.md (a copy is provided in zip files).

In this release:

1. Wikiploy Lite is now a recommended usage scenario.
2. Uses Wikiploy v1.8, which introduced a helper for user prompt, Wikiploy. This makes it easier to ask for a summary when you wikiploy changes.
3. Uses Browserify to build JS.
4. Uses LessCSS to build CSS.
5. Uses Mocha/Chai for unit testing.