fix position changes when sitting on a prim with position and/or orientation explicitly specified
fix position changes when sitting on a prim with position and/or orientation explicitly specified

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