Add presentations.

Presentations/Async sequences and algorithms to compose them - Kirk Shoop - CppCon 2014/README.md

@@ -0,0 +1,5 @@
+# Async sequences and algorithms to compose them
+
+The slides can be viewed online at http://kirkshoop.github.io/reveal.js/index.html.
+
+Source code can be found at https://github.com/kirkshoop/reveal.js.

Presentations/Meta Techniques - Heterogeneous Polymorphism and Fast Prototyping at Facebook - Marcelo Juchem - CppCon 2014/README.md

@@ -0,0 +1,3 @@
+## Meta Techniques: Heterogeneous Polymorphism and Fast Prototyping at Facebook
+
+Code and [slides](https://github.com/facebook/fatal/blob/master/docs/cppcon2014.pdf?raw=true) for this presentation are available at https://github.com/facebook/fatal.

Presentations/Pragmatic Type Erasure - Solving Classic OOP Problems with an Elegant Design Pattern - Zach Laine - CppCon 2014/README.md

@@ -0,0 +1,5 @@
+# Pragmatic Type Erasure: Solving Classic OOP Problems with an Elegant Design Pattern
+
+Slides can be viewed online at http://tzlaine.github.io/type_erasure.
+
+Associated source code can be found at https://github.com/tzlaine/type_erasure.