used to transferRWIs and transferURLs. See: http://www.yacy-forum.de/viewtopic.php?t=1167#10020 *) adding yacyVersion.java containing constants defining yacy versions that support a given feature. Needed to determine if a remote peer is able to decode gzip content-encoded http post bodies properly. git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@772 6c8d7289-2bf4-0310-a012-ef5d649a1542