Generate static HTML blog content out of markdown
Merge branch 'blog'
authors: update email address

Closes #3507.
blog: Minor tweaks to style and some data conversion cleanup
blog: Missing title tag
stdin.pipe: Replace forgotten opts member
blog: Show category in post metadata
windows: fix/improve nodejsvars.bat

- Fix: it didn't work for the x86 version of node
- Also add NPM to path
- Also print node version
- Don't change dir to home dir if not started from the start menu
windows msi: set icon for add/remove programs dialog
windows msi: add npm dir to user PATH only

The NPM folder is personal to the user. It shouldn't be added to the
system-wide path.
windows msi: use .url files for documentation and website shortcuts
uv: Upgrade to 171e2f71b9
npm: Upgrade to 1.1.31
blog: Generate RSS feeds
blog: add RSS link tag for discovery
uv: upgrade to 0387c23
npm: Upgrade to 1.1.32
repl: fix buffer clearing after npm command
benchmark: Backport improvements made in master

Ported to v0.6 for easier comparison in the 0.8.0 blog post.
docs: Switch to the asynchronous Google Analytics snippet

The old snippet needlessly uses `document.write`. Let’s use the
optimized version of the most recent, asynchronous GA snippet:
http://mathiasbynens.be/notes/async-analytics-snippet