Allow breakout links from Kalamar

Change-Id: I0be44caf0b2482681ab68c01172629840a69608f
diff --git a/templates/main.html b/templates/main.html
index 0287705..bb854e0 100644
--- a/templates/main.html
+++ b/templates/main.html
@@ -30,7 +30,7 @@
                 document.getElementById("buy").innerHTML = "External provider unknown."
               } else {
                 var ret = this.responseText.split(",");
-                document.getElementById("buy").innerHTML = "You can buy this text from <a href=\"" + ret[1] + "\" class=\"external\">" + ret[0] + "</a>.";
+                document.getElementById("buy").innerHTML = "You can buy this text from <a target=\"_blank\" href=\"" + ret[1] + "\" class=\"external\">" + ret[0] + "</a>.";
               }
               P.resize();
             }