Merge pull request #105 from juliandunn/update-kitchen-yml

Update to latest boxes: CentOS 5.11 and 6.6

.kitchen.yml

@@ -5,10 +5,10 @@ provisioner:
   name: chef_zero
 
 platforms:
-  - name: centos-5.10
-  - name: centos-5.10-i386
-  - name: centos-6.5
-  - name: centos-6.5-i386
+  - name: centos-5.11
+  - name: centos-5.11-i386
+  - name: centos-6.6
+  - name: centos-6.6-i386
   - name: fedora-19
   - name: fedora-20