DodoApp: Introduce password role

Auto generate passwords for PostgreSQL and MongoDB.

Change-Id: Ibd9fb900ddc8dd505c60ae4dfba73f1c951e3470
diff --git a/core/installer/app.go b/core/installer/app.go
index a971653..c4604c8 100644
--- a/core/installer/app.go
+++ b/core/installer/app.go
@@ -399,7 +399,7 @@
 func ParseAndCreateNewCueApp(data CueAppData) (cueApp, error) {
 	config, err := ParseCueAppConfig(data)
 	if err != nil {
-		return cueApp{}, err
+		return cueApp{}, fmt.Errorf(errors.Details(err, nil))
 	}
 	return newCueApp(config, data)
 }