feat: Move function to app scope

- Move randomIntFrom() to app.js
- Add global entry to jshint configuration

.jshintrc

@@ -27,6 +27,8 @@
 		"getClosestEdgeToMouse": true,
 		"centerElementUnderCursor": true,
 		"setAttributesAccordingToPosition": true,
+		"randomIntFrom": false,
+		"replaceLineBreaks": false,
 		"HippieTaskBar": true
 	}
 }