+ remove feature classes to import/export points

src/Mod/Points/App/PropertyPointKernel.cpp

@@ -161,6 +161,17 @@ unsigned int PropertyPointKernel::getMemSize (void) const
     return sizeof(Base::Vector3f) * this->_cPoints->size();
 }
 
+PointKernel* PropertyPointKernel::startEditing()
+{
+    aboutToSetValue();
+    return static_cast<PointKernel*>(_cPoints);
+}
+
+void PropertyPointKernel::finishEditing()
+{
+    hasSetValue();
+}
+
 void PropertyPointKernel::removeIndices( const std::vector<unsigned long>& uIndices )
 {
     // We need a sorted array