mySTEP.make: correctly coppy (sub)directories into Resources

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Foundation: fixed issue with runtime function name

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
NSKeyValueCoding: removed duplicate code/categories from NSArray, NSDictionary and wrong use of valueForKey:

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>