binder2nd generates error in c++17

Replace by lambdas when possible and with std::function when the type is
required.

decltype(lambda) does not work, so we bind the lambda to a std::function.

Other option is to use std::bind and std::placeholders, but it is harder to read the code IMO.

FIX DGtal-team#1221

Use std::bind instead of lambdas in examples.