[GEARPUMP-296] Update incubator logo on the website

Author: karol brejna <karol.brejna@intel.com>

Closes #16 from karol-brejna-i/GEARPUMP-296.
diff --git a/content/img/incubator-logo.png b/content/img/incubator-logo.png
index 9d25899..dbf5842 100644
--- a/content/img/incubator-logo.png
+++ b/content/img/incubator-logo.png
Binary files differ
diff --git a/content/overview.html b/content/overview.html
index ca717f4..8468a3f 100644
--- a/content/overview.html
+++ b/content/overview.html
@@ -124,9 +124,10 @@
 <h2 id="apache-incubation-disclaimer">Apache Incubation Disclaimer</h2>
 <p>Apache Gearpump is an effort undergoing incubation at <a href="http://www.apache.org/">The Apache Software Foundation (ASF)</a> sponsored by the Apache Incubator PMC. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p>
 
-<p>Apache Gearpump (incubating) is available under <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, version 2.0</a>.</p>
+<p style="color:gray; font-size: 80%; text-align: center;">Apache Gearpump (incubating) is available under <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, version 2.0</a>.</p>
 
-<p><img src="/img/incubator-logo.png" alt="incubator-logo" /></p>
+<p style="text-align: center;"><img src="/img/incubator-logo.png" alt="incubator-logo" /></p>
+
 
   </div> <!-- /container -->
 
diff --git a/img/incubator-logo.png b/img/incubator-logo.png
index 9d25899..dbf5842 100644
--- a/img/incubator-logo.png
+++ b/img/incubator-logo.png
Binary files differ
diff --git a/overview.md b/overview.md
index 72512f8..39bb6cc 100644
--- a/overview.md
+++ b/overview.md
@@ -30,5 +30,8 @@
 Apache Gearpump is an effort undergoing incubation at [The Apache Software Foundation (ASF)](http://www.apache.org/) sponsored by the Apache Incubator PMC. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.
 
 Apache Gearpump (incubating) is available under [Apache License, version 2.0](http://www.apache.org/licenses/LICENSE-2.0).
+{: style="color:gray; font-size: 80%; text-align: center;"}
 
+{: style="text-align: center;"}
 ![incubator-logo](/img/incubator-logo.png)
+