Clone external plugins before overriding defaults

This patch clones external plugin repositories before overriding
default configuration parameters.

Closes-Bug: 1441058
Change-Id: Ie14fcb897cb40b1604bfb5869baa0dec58e51bce
diff --git a/stack.sh b/stack.sh
index adcaa21..5331beb 100755
--- a/stack.sh
+++ b/stack.sh
@@ -514,6 +514,9 @@
 # Configure Projects
 # ==================
 
+# Clone all external plugins
+fetch_plugins
+
 # Plugin Phase 0: override_defaults - allow pluggins to override
 # defaults before other services are run
 run_phase override_defaults
@@ -540,9 +543,6 @@
 source $TOP_DIR/lib/ldap
 source $TOP_DIR/lib/dstat
 
-# Clone all external plugins
-fetch_plugins
-
 # Extras Source
 # --------------