* cppcheck stuff

* Update src/ui/RoomSettings.cpp

Co-authored-by: DeepBlueV7.X <nicolas.werner@hotmail.de>

* Update src/ui/RoomSettings.cpp

Co-authored-by: DeepBlueV7.X <nicolas.werner@hotmail.de>

* Fix linting

Co-authored-by: DeepBlueV7.X <nicolas.werner@hotmail.de>

Add support for listing devices that do not support encryption, add support for logging out devices.

Ticks off another box in #23!

Added support for refreshing the device list, marking current device with a checkmark instead of a lock

- Set a minimum width on the profile window (avatar size + margins)
- Made avatar editing a separate button, so you can zoom in on your own avatars
- Added hover text to avatar/displayname change buttons, which clarify where they will apply for global/room-specific profiles
- Added display of room name for room-specific profiles, with hover text that explains what that means.
- Added way to open global profile for users from their room-specific profiles (globe button next to room name)

Username can be edited by double clicking on text, added global user profile menu action in user info widget