- remove 'own' as possible connection

- remove 'none'

#691

- Due to the width of the scrollbar, text areas change their inner width
under Chromium when the scrollbar is displayed. The use of offsetWidth
instead of contentRect ignores the presence of the scrollbar. The
calculation is therefore less accurate, but sufficient for estimating
the number of rows

#662

#643

as this causes images to be displayed too small on iPads
when they are first loaded.

#634

#632

#631