Bundle update.
UTF-8 Encoding not needed in Ruby 2.
Add favicon.
Add apple-touch-icon.
Update page title; display sub-title if available.
Update meta description.
Add viewport meta tag.
New layout/design implementation.
Base homepage.
Refactor error page.
Add WorkSked banner sponsor.
Update README.
Operating system, device and browser information.

Using gem UserAgentParser:
https://github.com/toolmantim/user_agent_parser
Disable automatic detection of phone numbers in Safari on iOS.
Fix hostname using reverse DNS lookup.