Change doc link to new spdk.io/doc location

Also make sure all links point to the canonical www.spdk.io, not
spdk.io, to avoid extra redirects.

Change-Id: I5696abf8569c36f9be741bc932e320d8b7156875
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>

README.md

@@ -15,15 +15,15 @@ interrupts, which avoids kernel context switches and eliminates interrupt
 handling overhead.
 
 The development kit currently includes:
-* [NVMe driver](http://www.spdk.io/spdk/doc/nvme.html)
-* [I/OAT (DMA engine) driver](http://www.spdk.io/spdk/doc/ioat.html)
-* [NVMe over Fabrics target](http://www.spdk.io/spdk/doc/nvmf.html)
-* [iSCSI target](http://www.spdk.io/spdk/doc/iscsi.html)
+* [NVMe driver](http://www.spdk.io/doc/nvme.html)
+* [I/OAT (DMA engine) driver](http://www.spdk.io/doc/ioat.html)
+* [NVMe over Fabrics target](http://www.spdk.io/doc/nvmf.html)
+* [iSCSI target](http://www.spdk.io/doc/iscsi.html)
 
 Documentation
 =============
 
-[Doxygen API documentation](http://spdk.io/spdk/doc/) is available, as
+[Doxygen API documentation](http://www.spdk.io/doc/) is available, as
 well as a [Porting Guide](PORTING.md) for porting SPDK to different frameworks
 and operating systems.
 

doc/README.md

@@ -2,7 +2,7 @@ SPDK Documentation
 ==================
 
 The current version of the SPDK documentation can be found online at
-http://www.spdk.io/spdk/doc/
+http://www.spdk.io/doc/
 
 Building the Documentation
 ==========================

doc/footer.html

@@ -32,7 +32,7 @@
             </li>
 
             <li>
-              <a href="http://spdk.io/spdk/doc/" class="btn btn-default btn-lg">
+              <a href="http://www.spdk.io/doc/" class="btn btn-default btn-lg">
                 <img class="box-ico" src="http://www.spdk.io/img/ico/003-instructions.svg"></img>
                 <span class="box-name">documentation</span>
               </a>