Add Research Papers from Robert Haper

Research papers around Type Theory, Proof Theory, and Category
Theory.

* Types and Language Design
* Types and Compilation
* Certifying Compilers
* Logical Frameworks
* Scientific Computing
* Computation and Information Grids
* Self-Adjusting Computation
* Security
Merge pull request #151 from 3rdman/master

Add Research Papers from Robert Haper