Add example on initializer lists.
Add exercise 3-2 from C++ Primer.
Add C++ Primer exercise 3-3.
Add C++ Primer exercise 3-04.
Add C++ Primer exercise 3-6.
Add C++ Primer exercise 3-6.
Add C++ Primer exercise 3-07.
Add C++ Primer exercise 3-8.
Add C++ Primer exercise 3-09.
Add exercise 3-10.
Add C++11 example on defaulted functions.
Add blogpost example on passing by const ref.