Addresses RU 4979. Modified query to return pending AUs in either natural priority order or first all new AUs in priority order and then all existing AUs in priority order.  Added 'prioritizeIndexingNewAus' configuration parameter to select behavior. Default value is 'true'.
Addresses RU 4979. Modified query to return pending AUs in either natural priority order or first all new AUs in priority order and then all existing AUs in priority order.  Added 'prioritizeIndexingNewAus' configuration parameter to select behavior. Default value is 'true'.


git-svn-id: 293778eaa97c8c94097d610b1bd5133a8f478f36@37102 4f837ed2-42f5-46e7-a7a5-fa17313484d4

edina/lockss-daemon,lockss/lockss-daemon,lockss/lockss-daemon,edina/lockss-daemon,edina/lockss-daemon,lockss/lockss-daemon,edina/lockss-daemon,edina/lockss-daemon,edina/lockss-daemon,lockss/lockss-daemon,lockss/lockss-daemon,edina/lockss-daemon,lockss/lockss-daemon,lockss/lockss-daemon