Merge pull request docker-library#17 from htgoebel/master

Update number of roles.

Author: drybjed

docs/index.rst

@@ -15,7 +15,7 @@ scalable from one container to an entire data center.
 DebOps is a framework
 ^^^^^^^^^^^^^^^^^^^^^
 
-- **50+ highly extensible roles** with sane defaults
+- **60+ highly extensible roles** with sane defaults
 - **Tuned for production** and works great for development
 - **Built for modularity** so extending it is simple
 - **Custom scripts** to tie everything together