By default install reclass from package

Change-Id: Ifc80cb9e639feb599e7bd8617beb0cb0b1630039
diff --git a/bootstrap.sh b/bootstrap.sh
index f9372a3..84a4c56 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -378,7 +378,7 @@
 install_reclass()
 {
   VERSION=${1:-$RECLASS_VERSION}
-  VERSION=${VERSION:-master}
+  VERSION=${VERSION:-pkg}
   case ${VERSION} in
       pkg|package)
         which reclass || $SUDO $PKGTOOL install -y reclass