OpenAPI 3.0.1 and enhancements

• Added OpenAPI 3.0.1 data
• Modified menu to show 3.0 (3.0.1) first
• Removed 3.0.0-rc0 from menu (data still available)
• Required properties label are red in tree
• Added Map support on field's type with "{Test Object}" or "{key, Test Object}" (don't forget the quotes!). -
• Automatically created a {name} (if key nor provided) or {key} node.
• Automatically modify OpenAPI Specification anchors (#exampleObject) and examples (../example) links in descriptions
• Updated to latest Font Awesome version using JavaScript include
• Update Node packages to latest version