Merge topic 'ccmake_incremental_log_display' into release-3.17

60bfaa8fe6 ccmake: Use incremental rendering for the logs
e9b36731e9 cmCursesLongMessageForm: Factor out helper to draw message to form

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Robert Maynard <robert.maynard@kitware.com>
Merge-request: !4573