Add the Fast Conservative GC paper.

Author: ltratt

softdev.bib

@@ -2891,4 +2891,11 @@ @inproceedings{brooks84trading
     doi = {10.1145/800055.802042},
 }
 
-
+@inproceedings{shahriyar14fast,
+    title = "Fast conservative garbage collection",
+    author = "Rifat Shahriyar and Stephen M. Blackburn and Kathryn S. McKinley",
+    booktitle = "OOPSLA",
+    year = 2014,
+    month = Oct,
+    pages = "121-139"
+}