Replace class iterator and const_iterator by using a single template class to reduce code.#395

Merged

nlohmann merged 2 commits intonlohmann:developfrom

Bosswestfalen:develop

Dec 14, 2016

Commits on Dec 12, 2016

Replaced class iterator and class const_iterator with aliases of template <typename U> iter_impl. iter_impl has operator const_iterator to create an const_iterator from an iterator.
Bosswestfalen
committed

Commits on Dec 13, 2016

added missing changes in json.hpp.re2c
Bosswestfalen
committed