doc, README: Fix three links to LTP download

As we have moved to GitHub for releases.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
diff --git a/README b/README
index 2398621..bf0061c 100644
--- a/README
+++ b/README
@@ -13,7 +13,8 @@
 
 Project pages are located at: http://linux-test-project.github.io/
 
-The latest image is always available at http://sf.net/projects/ltp/
+The latest image is always available at:
+https://github.com/linux-test-project/ltp/releases
 
 The discussion about the project happens at ltp mailing list:
 http://lists.linux.it/listinfo/ltp
diff --git a/doc/automation-README.html b/doc/automation-README.html
index 865bce3..1acb72c 100644
--- a/doc/automation-README.html
+++ b/doc/automation-README.html
@@ -25,8 +25,8 @@
 </ul>
   <big><big><b>Install files</b></big></big>
 <ul>
-  <li>Go to <a href="http://ltp.sf.net/" target="_top">http://ltp.sf.net</a>
--&gt; Downloads -&gt; Download latest version of LTP</li>
+  <li>Go to <a href="https://github.com/linux-test-project/ltp/releases">GitHub LTP releases</a>
+      and download latest version of LTP</li>
   <li>Login as root on MASTER machine</li>
   <li>Untar ltp-xxxxxxxx.tgz in /root</li>
 
diff --git a/doc/automation-cookbook.html b/doc/automation-cookbook.html
index 0ce2f3d..9d89b12 100644
--- a/doc/automation-cookbook.html
+++ b/doc/automation-cookbook.html
@@ -25,8 +25,8 @@
 </ul>
   <big><big><b>Install files</b></big></big>
 <ul>
-  <li>Go to <a href="http://ltp.sf.net/" target="_top">http://ltp.sf.net</a>
--&gt; Downloads -&gt; Download latest version of LTP</li>
+  <li>Go to <a href="https://github.com/linux-test-project/ltp/releases">GitHub LTP releases</a>
+      and download latest version of LTP</li>
   <li>Login as root on MASTER machine</li>
   <li>Untar ltp-xxxxxxxx.tgz in /root</li>