focheck 7.4.6

Validate XSL-FO and Antenna House extensions in oXygen or standalone.

• axs.rnc updated to match ahfsettings 7.4.6.
• Added triple border style in Schematron.
• Instructions for 'Antenna House' external FO processor.
• Inserting ChangeLog.md and LICENSE.md into release's add-on.xml.