5676 - When setting the timeout using the DDL allow for network latency

When configuring the client using the ddl add the discovery timeout time
to the agent timeout.  This allows for network latency and fact source
time to be included when waiting for results

website/changelog.md

@@ -55,6 +55,7 @@ title: Changelog
 |2011/01/04|Use the LSB based init script on SUSE|5762|
 |2010/12/30|Allow - in fact names|5727|
 |2010/12/29|Treat machines that fail security validation like ones that did not respond|5700|
+|2010/12/25|Allow for network and fact source latency when calculating client timeout|5676|
 |2010/12/25|Increase the rpcutil timeout to allow for slow facts|5679|
 |*2010/12/13*|*Release 1.0.0*|5453|