Clear the feed host from the applicationContext properties when unregistered from current host

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What steps will reproduce the problem?
1. Unregister CM from GSA using GSA Admin

or

2. Setup connector on default installation where gsa.feed.host still set to
default of 'localhost'.

What is the expected output?

Connector Manager should not attempt to send any feeds, even if Connectors
currently configured and scheduled.

What do you see instead?

CM is not notified that it has bee unregistered in Case 1 and it will
continue to send feeds to the previously configured GSA.  In Case 2, it
will attempt to send feeds to localhost and will fail and keep retrying
after some timeout.

Case 1: Bug open on the GSA to send a message to CM when unregistered. 
Once this is done, update the properties file to blank out the
gsa.feed.host as long as it hasn't been re-registered with a new host.

Case 2: Should default the gsa.feed.host to blank and have that be a signal
not to schedule any traversal.

Original issue reported on code.google.com by mgron...@gmail.com on 3 Jun 2009 at 9:21

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Original comment by mar...@google.com on 1 Dec 2009 at 7:55

• Added labels: Priority-Medium, Type-Enhancement

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Original comment by mar...@google.com on 4 Dec 2009 at 11:22

• Added labels: Milestone-Goal_3.0.0

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This issue is filed as Google issue #6513824

Original comment by tdnguyen@google.com on 18 May 2012 at 9:25

• Changed state: Duplicate