chaplinjs/chaplin — pull request #133 by mkuprionis (2012-07-01 14:47:27+00:00)
Title: Fix for utils.readonly making existing property undefined on Android 2.3.6

Apparently ```Object.defineProperty``` overwrites existing property with default ```undefined```.

Issue encountered in Android 2.3.6 browser:
Webapp dies when calling ```mediator.unsubscribe``` after it is made readonly, because ```mediator.unsubscribe == undefined``` at that point.