Bump version to 0.15.1-1~wheezy

Signed-off-by: Nikos Skalkotos <skalkoto@grnet.gr>

debian/changelog

+snf-image (0.15.1-1~wheezy) wheezy; urgency=low
+
+  * New upstream version
+  * Rewrite the package configuration system
+
+ -- Nikos Skalkotos <skalkoto@grnet.gr>  Mon, 02 Jun 2014 13:55:49 +0300
+
 snf-image (0.15-1~wheezy) wheezy; urgency=low
 
   * New upstream version
@@ -313,3 +320,4 @@ snf-image-host (0.1-1) UNRELEASED; urgency=low
 
 
 
+