Cleanup, rephrase, and reformat

This change

- cleans up trailing whitespace and adds missing newline chars to the end of files
- fixes some grammar, punctuation, and spelling
- rephrases some bodies of text
- reformats some of the raw html source (line wrapping) for easier editing and readability in the source code

The content is deployed here: http://larsbutler.github.io/zerovm.org/index.htm