Remove styling for HTML lists

This rendered incorrectly for multi-digit ordered lists.
Remove stray closing brace
Fixes numbering issue and adds back formatting
Fixes a dead link and a typo, renames.
Adding release notes for 1.6.3
Updating installation guide for 1.6.3
Updating snapshot repository in installation guide
Remove stale incubator reference
Add missing shebang
Handle lack of arguments more gracefully

Previously deploy-site.sh used --password as the user name when
invoked without arguments.