Update readme.md

captiveportal/readme.md

@@ -1,3 +1,3 @@
 <h1>How to deploy?</h1>
-Just download the precompiled .WAR file from <a href="http://owncloud.hostable.nl/public.php?service=files&t=7d4dbc2080b768b97ed2a19f2d8e44a7">here</a>.
+Just download the precompiled .WAR file from <a href="http://owncloud.hostable.nl/public.php?service=files&t=7d4dbc2080b768b97ed2a19f2d8e44a7" target="_blank">here</a>.
 The password is: mojado