Update version.sh to v0.16
diff --git a/version.sh b/version.sh
index fd9b53d..5fcf34e 100644
--- a/version.sh
+++ b/version.sh
@@ -6,7 +6,7 @@
 # Copyright 2008, Oracle
 # Released under the GNU GPLv2
  
-v="Btrfs v0.15"
+v="Btrfs v0.16"
 
 which hg > /dev/null
 if [ $? == 0 ]; then