1) Poller Auto Recache on Empty Output
Fixes a problem where the poller would force a data query recache
when a device returned empty output. This may have caused problems
for hosts that are frequently down.
2) Poller Output SQL Order By
Removes an SQL "order by" statement from the poller output processing
that might cause graph gaps for installations with a large number
of poller processes.
3) Additional RRDTool 1.2 Support
Adds more font control options that are supported in RRDTool 1.2.
The default slope mode has been changed for more organic looking
graph lines.
