Updates to CMakeLists.txt configure files;
CMakeLists.txt:
  Added simple configuration to setup CMAKE_CXX_FLAGS;
  Added C++11 to be added to CMAKE_CXX_FLAGS;

src/CMakeLists.txt
  Added details on how I got the list of dependencies for the libraries;
  Changed include to include/numeric_error_format for install location of headers;
tests/macro_checks.cpp:
  Added <iostream> header (since there is a call to std::cout);

tests/to_fixed_string_checks.cpp:
  Added <iostream> header (since there is a call to std::cout);