BS-14000 - NPE on context retrieval

not instantiated 

this allows to avoid numerous stacktrace

Add a link to ".." On click on the Brand name, to redirect from "path/bonita/appName/pageToken/" to "path/bonita/appName/pageToken/", then the appServlet will redirect to homme page

BS-13888 When opening an application, the browser tab title is set to the application layout technical name

in the menu widget, set the application name as the Title of the page