WIP: Added bridge-gui-test app.
WIP: goos.
WIP: event sending.
WIP: include bridge-gui-tester in frontend project
WIP: app end login event buttons.
WIP: login events. .
WIP: moved and renamed tab code
WIP: wired login logic.
WIP: setColorScheme and loginAbort.
WIP: more calls implemented + random users and numbers.
WIP: mail calls.
WIP: bug reports.
WIP: more signal send via the grpc Qt proxy.
WIP: Qt proxy on the event stream tab.
WIP: user change events wiring.
WIP: GUI changes.
WIP: minor refactoring.
WIP: remove event stream tab.
WIP: GUI changes.
WIP: separate logs, cache and keychain implemented.
WIP: Automatic update.
Other: fix linux build.
WIP: fix for live addition/modification/removal of users on the server side.
