Edited C++11! post

Made some corrections after attpemting to compile and test the code I wrote.
Lambda code is compilable, given proper includes and namespaces.
Edited C++11! post

Added const iterator since nothing is changing in ents.
Also compiled and tested the code.
Edited C++11! post

Added const iterator because nothing was being changed in ents.
Compiled and testing the foreach code.
Edited C++11! post

Change iterator to const, because nothing was being changed in ents.
Change auto to int, because it looked better, and this part of the post is about initializer lists, not auto.
Edited C++11! post

I had a pythonic trailing comma at the end of my map's initializer list.
Edited constructors in C++11! post

Initialized some objects to show C++11 prefers foo{} over foo() for object initialization.