[SAC] [OSGeo] #1836: Map trac static resources

#1836: Map trac static resources
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Reporter: strk | Owner: sac@…
     Type: task | Status: new
Priority: normal | Milestone:
Component: Systems Admin | Keywords: trac
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According to
https://trac.edgewall.org/wiki/TracInstall#MappingStaticResources it could
greatly speed up the service.

This ticket is to make sure static resources are mapped properly.
To be done after trac upgrade ( #1816 )

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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/1836&gt;
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