Use C++11/14/17 features

[vrastil]

• [x] http://www.cprogramming.com/c++11/what-is-c++0x.html
• [x] http://cpprocks.com/an-overview-of-c14-language-features/
  • [ ] generic lambdas auto lambda = [](auto a, auto b) { return a * b; };
  • [ ] Extended capturing in lambdas auto timer = [val = system_clock::now()] { return system_clock::now() - val; };
• [x] https://meetingcpp.com/index.php/br/items/final-features-of-c17.html
  • [ ] If and switch with initializer if(initializer; condition)

[vrastil]

implemented std=c++11 features, std=c++14 and std=c++17 not implemented due to portability issues