Linkify

Based on discussion in #9 (closed)

• Rename AutoLinker to Linkify
• Drop markdown and phone links support
• Link both scheme and scheme-less urls by default (before it was scheme-less only)
• Use double quotes in HTML attributes
• Remove application configuration (relying on configuration is undesired for most libraries)
• Do not add class, target and rel attributes by default
• Refactor the parser

Edit: a typo