Make unstack.sh more like stack.sh

unstack.sh and stack.sh both have to "configure projects", but the
code was different. This change makes it so the 2 sections of the
files are the same.

Change-Id: Ia06f8bbfbe2a6e87fb406e34e13a39bd7fa9e5af
diff --git a/stack.sh b/stack.sh
index 7da41a9..50a4cd2 100755
--- a/stack.sh
+++ b/stack.sh
@@ -305,9 +305,13 @@
 # Configure Projects
 # ==================
 
-# Source project function libraries
+# Import apache functions
 source $TOP_DIR/lib/apache
+
+# Import TLS functions
 source $TOP_DIR/lib/tls
+
+# Source project function libraries
 source $TOP_DIR/lib/infra
 source $TOP_DIR/lib/oslo
 source $TOP_DIR/lib/stackforge