Removed @return void in SiteAccess matchers
EZP-20305: Fixed phpDoc in Compound siteaccess abstract matcher
EZP-20305: Ensure match element is not modified each time a SiteAccess matcher gets a request
EZP-20305: Made Compound\LogicalAnd matcher implement VersatileMatcher
EZP-20305: Made Compound\LogicalOr matcher implement VersatileMatcher