[user]: Fixed minor issue related to the bootstrap update and started adding modals for app name changing etc
Added latest bootstrap and included the js files properly
Not yet functional, but the changing-vars modal is generated properly
Added ajax methods for app name and description changing
Added test and some fixes for the app name and description changing ajax methods
App screen now supports dynamically changing app name and description and they are working
Autofocus finally working fine
Fixed app_screen test, minor improvements
Minor cosmetic fix