* Handle implied READ_EXTERNAL_STORAGE permissions, which trigger a
permissions prompt on installs with Privileged Extension (#1702)
* Index data sanetized to reduce possible threats from the server
* "Read Timeout" triggers mirror use when reads are slow
* Fix missing icons for those not using Wi-Fi (#1592)
* Use separate titles for Updates pref and Updates tab, to help translation
* UI fixes from @ConnyDuck (#1636, #1618)