vt: handle search of multibyte characters

Signed-off-by: Marc Andre Tanner <mat@brain-dump.org>
vt: copymode cursor movement support for multibyte chars

Signed-off-by: Marc Andre Tanner <mat@brain-dump.org>
Fix quote handling in cmd-fifo parsing code

Signed-off-by: Marc Andre Tanner <mat@brain-dump.org>
Merge remote-tracking branch 'dvtm/master'