OEGetColorSchemeName
const char* OEGetColorSchemeName(unsigned int colorScheme)
Returns the color scheme name as a const char. The function is called
in the OEMolStyleColorer::GetPropertyName function of OEMolStyleColorer. It can be used
in tandem with the OE3DMolStyle::GetAtomColorer function of OE3DMolStyle.
example: std::string str = style.GetAtomColorer().GetPropertyName();