Address clang, gcc failure due to required use of 'template' keyword identify method as a dependent template name.
Address clang, gcc failure due to required use of 'template' keyword identify method as a dependent template name.

Also added SWIG guards to exclude SimTK_DEFINE_UNIQUE_INDEX_TYPE(MemberSubcomponentIndex) from SWIG Wrapping.

opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core