Flush write queue before closing socket

Fixed s2s manager's send queue to not store recieved stanza objects (as these can chnage after the send call)

Send unsubscribe and unsubscribed on roster item delete, and broadcast available resources' presence in reply to pre-approved subscription request

Adding logging for outbound presence broadcasts (changed it a bit)

Adding logging for outbound presence broadcasts

Second fix for broadcasting presence of available resources to newly approved contact

Fix for broadcasting presence of available resources to newly approved contact

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mercurial