Enhance NullEstateData to remember stored estate values and return them next time asked. This keeps any estate settings from being reset when the estate dialog is opened in a region with null estate storage.
Enhance NullEstateData to remember stored estate values and return
them next time asked. This keeps any estate settings from being reset
when the estate dialog is opened in a region with null estate storage.

RavenB/opensim,TomDataworks/opensim,justinccdev/opensim,TomDataworks/opensim,Michelle-Argus/ArribasimExtract,M-O-S-E-S/opensim,M-O-S-E-S/opensim,QuillLittlefeather/opensim-1,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,bravelittlescientist/opensim-performance,M-O-S-E-S/opensim,justinccdev/opensim,bravelittlescientist/opensim-performance,ft-/opensim-optimizations-wip,BogusCurry/arribasim-dev,QuillLittlefeather/opensim-1,ft-/opensim-optimizations-wip-extras,Michelle-Argus/ArribasimExtract,justinccdev/opensim,QuillLittlefeather/opensim-1,M-O-S-E-S/opensim,QuillLittlefeather/opensim-1,ft-/arribasim-dev-extras,OpenSimian/opensimulator,bravelittlescientist/opensim-performance,ft-/opensim-optimizations-wip-tests,M-O-S-E-S/opensim,M-O-S-E-S/opensim,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,QuillLittlefeather/opensim-1,OpenSimian/opensimulator,ft-/opensim-optimizations-wip-extras,ft-/opensim-optimizations-wip,ft-/opensim-optimizations-wip-tests,M-O-S-E-S/opensim,ft-/arribasim-dev-tests,RavenB/opensim,RavenB/opensim,ft-/opensim-optimizations-wip-extras,OpenSimian/opensimulator,BogusCurry/arribasim-dev,Michelle-Argus/ArribasimExtract,ft-/opensim-optimizations-wip-extras,BogusCurry/arribasim-dev,ft-/arribasim-dev-tests,ft-/opensim-optimizations-wip-extras,BogusCurry/arribasim-dev,RavenB/opensim,TomDataworks/opensim,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,ft-/opensim-optimizations-wip,RavenB/opensim,Michelle-Argus/ArribasimExtract,Michelle-Argus/ArribasimExtract,ft-/opensim-optimizations-wip,TomDataworks/opensim,TomDataworks/opensim,ft-/opensim-optimizations-wip-tests,OpenSimian/opensimulator,QuillLittlefeather/opensim-1,ft-/arribasim-dev-extras,ft-/arribasim-dev-extras,justinccdev/opensim,justinccdev/opensim,OpenSimian/opensimulator,ft-/arribasim-dev-extras,RavenB/opensim,justinccdev/opensim,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,bravelittlescientist/opensim-performance,QuillLittlefeather/opensim-1,ft-/arribasim-dev-extras,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,TomDataworks/opensim,OpenSimian/opensimulator,ft-/arribasim-dev-extras,OpenSimian/opensimulator,RavenB/opensim,ft-/arribasim-dev-tests,bravelittlescientist/opensim-performance,ft-/opensim-optimizations-wip-tests,ft-/arribasim-dev-tests,ft-/arribasim-dev-tests,Michelle-Argus/ArribasimExtract,ft-/opensim-optimizations-wip-tests,bravelittlescientist/opensim-performance,TomDataworks/opensim,BogusCurry/arribasim-dev,BogusCurry/arribasim-dev,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,ft-/arribasim-dev-tests