Define 2 configurations for Revit 2014

@sharadkjaiswal I have defined 2 more configurations for Revit 2014. let's take a look. Thanks.
#if REVIT_2014
var symbols = family.Symbols;
#else 
var symbols = family.GetFamilySymbolIds().Select(x => DocumentManager.Instance.CurrentDBDocument.GetElement(x)).OfType<FamilySymbol>();
#endif 

foreach(var fs in symbols)