Refactor scene presence list for lockless iteration. Lock contention will now only be for simultaneous add/removes of scene presences from the scene.
Refactor scene presence list for lockless iteration. Lock contention will now only be for simultaneous add/removes of scene presences from the scene.

ft-/arribasim-dev-tests,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,ft-/arribasim-dev-extras,TomDataworks/opensim,OpenSimian/opensimulator,TomDataworks/opensim,bravelittlescientist/opensim-performance,cdbean/CySim,AlexRa/opensim-mods-Alex,allquixotic/opensim-autobackup,ft-/arribasim-dev-tests,AlexRa/opensim-mods-Alex,justinccdev/opensim,ft-/arribasim-dev-tests,justinccdev/opensim,cdbean/CySim,rryk/omp-server,Michelle-Argus/ArribasimExtract,ft-/opensim-optimizations-wip-extras,bravelittlescientist/opensim-performance,cdbean/CySim,ft-/opensim-optimizations-wip-tests,M-O-S-E-S/opensim,ft-/arribasim-dev-extras,M-O-S-E-S/opensim,bravelittlescientist/opensim-performance,TomDataworks/opensim,bravelittlescientist/opensim-performance,justinccdev/opensim,QuillLittlefeather/opensim-1,M-O-S-E-S/opensim,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,AlexRa/opensim-mods-Alex,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,OpenSimian/opensimulator,TomDataworks/opensim,cdbean/CySim,OpenSimian/opensimulator,RavenB/opensim,TomDataworks/opensim,ft-/opensim-optimizations-wip-tests,ft-/arribasim-dev-extras,OpenSimian/opensimulator,cdbean/CySim,AlexRa/opensim-mods-Alex,QuillLittlefeather/opensim-1,ft-/opensim-optimizations-wip-tests,M-O-S-E-S/opensim,AlexRa/opensim-mods-Alex,BogusCurry/arribasim-dev,ft-/opensim-optimizations-wip-extras,allquixotic/opensim-autobackup,BogusCurry/arribasim-dev,TechplexEngineer/Aurora-Sim,ft-/opensim-optimizations-wip-extras,M-O-S-E-S/opensim,BogusCurry/arribasim-dev,ft-/arribasim-dev-tests,justinccdev/opensim,RavenB/opensim,bravelittlescientist/opensim-performance,Michelle-Argus/ArribasimExtract,QuillLittlefeather/opensim-1,ft-/arribasim-dev-extras,OpenSimian/opensimulator,ft-/opensim-optimizations-wip,BogusCurry/arribasim-dev,RavenB/opensim,ft-/opensim-optimizations-wip,justinccdev/opensim,Michelle-Argus/ArribasimExtract,ft-/opensim-optimizations-wip,rryk/omp-server,RavenB/opensim,QuillLittlefeather/opensim-1,cdbean/CySim,allquixotic/opensim-autobackup,rryk/omp-server,AlexRa/opensim-mods-Alex,QuillLittlefeather/opensim-1,OpenSimian/opensimulator,ft-/arribasim-dev-tests,TechplexEngineer/Aurora-Sim,ft-/opensim-optimizations-wip,ft-/opensim-optimizations-wip-extras,ft-/arribasim-dev-extras,justinccdev/opensim,BogusCurry/arribasim-dev,bravelittlescientist/opensim-performance,OpenSimian/opensimulator,QuillLittlefeather/opensim-1,M-O-S-E-S/opensim,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,TomDataworks/opensim,ft-/arribasim-dev-tests,ft-/opensim-optimizations-wip-tests,rryk/omp-server,TomDataworks/opensim,ft-/opensim-optimizations-wip-tests,ft-/opensim-optimizations-wip-extras,rryk/omp-server,RavenB/opensim,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,RavenB/opensim,TechplexEngineer/Aurora-Sim,Michelle-Argus/ArribasimExtract,rryk/omp-server,allquixotic/opensim-autobackup,M-O-S-E-S/opensim,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,Michelle-Argus/ArribasimExtract,allquixotic/opensim-autobackup,Michelle-Argus/ArribasimExtract,allquixotic/opensim-autobackup,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,RavenB/opensim,BogusCurry/arribasim-dev,ft-/arribasim-dev-extras,TechplexEngineer/Aurora-Sim,QuillLittlefeather/opensim-1