osgi.specs: Set copyright.year xsl param to current year
osgi.specs: Set copyright.year xsl param to current year

Override the default value of the copyright.year xsl param to use the
current build year from the bnd variable copyright.year.

osgi/osgi,osgi/osgi,osgi/osgi,osgi/osgi,osgi/osgi,osgi/osgi,osgi/osgi,osgi/osgi