Metacat

Add the code to check the date of system metadata modification match in MN.updateSystemMetadata only. CN.updateSystemMetadata doesn't check.

use request query string first when handling MN.query() method. https://redmine.dataone.org/issues/7384

Commented out the code to check serial version on the updateSystemMetadata method.

Add more debug messages for the isCNAdmin method.

Put a the systemMetadataChanged method into a queue, so it will not hold the block.

Change updateReplicationMetadata() and setReplicationStatus() to no longer set the dateSysmetaModified date per our discussion on 9/16/15.

Add more debug statement for the updateSystemMetadata method.

In the getLog method, if the event is null, we will set it unknown.

If the event string is null, we will skip this log in the getLog method.

Add the code to check if we can't get the current system metadata from the node in the mn.systemMetadataChanged method.
If we can't find it, an InvalidRequest will be thrown.