minor: Add some documentation to OnNewClient and OnClientClosed events
minor: Add some documentation to OnNewClient and OnClientClosed events

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