refactor: apps -> recipes

cli/recipe/upgrade.go

@@ -61,7 +61,7 @@ You may invoke this command in "wizard" mode and be prompted for input:
 
 		// check for versions file and load pinned versions
 		versionsPresent := false
-		recipeDir := path.Join(config.ABRA_DIR, "apps", recipe.Name)
+		recipeDir := path.Join(config.RECIPES_DIR, recipe.Name)
 		versionsPath := path.Join(recipeDir, "versions")
 		var servicePins = make(map[string]imgPin)
 		if _, err := os.Stat(versionsPath); err == nil {