[jitsi-users] Serious conflict with global keyboard shortcuts

Ctrl-Shift-T is used by "undo tab" in modern web browsers. Please
change (or remove) this default keyboard binding as it will break
functionality in other applications and confuse users. As for the
other global bindings, I have not run in to problems yet but since I
use stuff like Emacs, I am likely to do so. Perhaps global key
bindings should default to off?