Update CONTRIBUTING.md with info about author tag (#687)

SamCarlberg · AustinShalit · commit 69e3f661d03a · 2016-12-25T00:18:09.000-08:00
Closes #665
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -66,6 +66,7 @@ Include details about your configuration and environment:</br>
 ### Documentation Styleguide
 
 * Use JavaDocs
+* Do not use the `@author` tag
 
 ### Code Formatting
 
