Default openned tab correction for getting started page

Change-Id: Id68f4d26728ff6f362e4eb6c5a3b2520a7bdd8c9
Signed-off-by: Arnaud Dieumegard <arnaud.dieumegard@obeo.fr>
diff --git a/start.html b/start.html
index c526624..05b41c3 100644
--- a/start.html
+++ b/start.html
@@ -242,7 +242,7 @@
 				</li>

 				

 				<li>

-					<input name="tabs" id="tab3" checked="" type="radio">

+					<input name="tabs" id="tab3" type="radio">

 					<label for="tab3">Contribute !</label>

 					<div id="tab-content3" class="tab-content">

 						<h3>Source code and contribution</h3>