added first draft of changelog for 0.13.5
added first draft of changelog for 0.13.5

Auditors: a4eee014a37cb9b8291ba92310a3863fa34a5d86@luixxiul

diasdavid/browser-laptop,timborden/browser-laptop,diasdavid/browser-laptop,luixxiul/browser-laptop,luixxiul/browser-laptop,diasdavid/browser-laptop,timborden/browser-laptop,timborden/browser-laptop,diasdavid/browser-laptop,timborden/browser-laptop,luixxiul/browser-laptop,luixxiul/browser-laptop