README.md: minor improvements.

* link to /test/bench.js
* break a few long lines
* specify the language used in code blocks
History.md: link to the files in the repo
Use "node.js" name instead of "node"
normalize end lines
test: style consistency changes and simplify quotes
style consistency changes
.jshintignore: sort entries by name
Revert "Adds node.js 0.10 to a list of tested node.js versions @ Travis."

This reverts commit 317394366c6c799537e817ab70c5784d4c98e26d.

Travis hangs due to node.js and JSHint.