D25627: hold the zoomcenter under the mouse / pinch center

[Steffen Hartleib]

steffenh abandoned this revision.

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D25627

To: steffenh
Cc: okular-devel, johnzh, andisa, siddharthmanthan, maguirre, fbampaloukas, 
joaonetto, kezik, tfella, ngraham, darcyshen, aacid