WIP rhbz961564 remove alias key and add stubs for attention key implementation
use builder for AppPresenter key shortcuts
use builder for GlossaryPresenter key shortcuts
use builder for SearchResultsPresenter key shortcuts
use builder for WorkspaceUsersPresenter key shortcuts
use builder for TransMemoryPresenter key shortcuts
remove obsolete KeyShortcut constructor
rhbz961564 add attention keys to KeyShortcut
rhbz961564 remove 'alias' from Keys
rhbz961564 add convenience constructor for single-key Keys
rhbz961564 gut attention key presenter pending change of behaviour
rhbz961564 add shortcut managers within shortcut presenter
rhbz961564 update docs for shortcut manager
rhbz961564 fix tests and reactivate disabled test
rhbz961564 reactivate orange keyboard icon when in attention mode
rhbz961564 add attention mode timeout controlled by presenter
rhbz961564 test invocation and timeout of attention mode
rhbz961564 display attention key shortcuts in shortcut summary
rhbz961564 display attention key shortcuts when shortcut mode is active
Merge branch 'release' into attention-key