Merge pull request #79 from OpenStackweb/whitepaper-link-fix

Update link to Ironic white paper

Author: iamweswilson

src/pages/index.md

@@ -61,7 +61,7 @@ promo:
         Ironic Delivers Abstraction and Automation using Open Source
         Infrastructure"
   button:
-    - link: https://www.openstack.org/bare-metal/how-ironic-delivers-abstraction-and-automation-using-open-source-infrastructure
+    - link: https://www.openstack.org/use-cases/bare-metal/how-ironic-delivers-abstraction-and-automation-using-open-source-infrastructure
       text: Read the white paper
   display: true
 features:
@@ -130,4 +130,4 @@ review:
     Tell the reader that people (or organizations) they know are already using
     it. The most effective way to do that is with logos, but if logos aren't
     available we can use text.
-  title: Users show credibility, without logos
+  title: Users show credibility, without logos