Flows lib honours flowFilePretty setting (#837)

* Flow lib now adheres to pretty flow file, ui also adheres to this as well

* added settings mock object in flows_spec get api test

* reverted api changes, fixed parse of flow only

* try spell flows correctly

red/api/info.js

@@ -37,6 +37,10 @@ module.exports = {
             safeSettings.paletteCategories = settings.paletteCategories;
         }
 
+        if (settings.flowFilePretty) {
+            safeSettings.flowFilePretty = settings.flowFilePretty;
+        }
+
         res.json(safeSettings);
     }
 }