Update README.md

Adds link to the MIT's AI Lab publication. 

Since back in the day everything was "AI" I think this is a nice addition. The Actor Model papers are there, M. Minsky's papers, the original LOGO papers, and more.

README.md

@@ -28,6 +28,7 @@ We're looking for pull requests related to papers we should add, better organiza
 * [Microsoft](http://research.microsoft.com/apps/catalog/default.aspx?t=publications)
 * [Vijay D'Silva](http://www.eecs.berkeley.edu/~vijayd/#papers)
 * [Functional Programming Books Review](http://alexott.net/en/fp/books/)
+* [MIT's Artificial Intelligence Lab Publications](http://dspace.mit.edu/handle/1721.1/39813)
 * [MIT's Distributed System's Reading Group](http://pdos.csail.mit.edu/dsrg/)
 * [arXiv Paper Repository](http://arxiv.org/)
 * [SciRate](https://scirate.com/)