Add select all buttons to change dialog#5803

Merged

Siedlerchr merged 5 commits intomasterfrom quickselectall

Jan 3, 2020

+124-42

Commits on Jan 1, 2020

Commits on Jan 2, 2020

add buttons for selecting all changes from jabref or disk
Siedlerchr
committed
make merge entries column left right arrows clickable for select all
Siedlerchr
committed

Commits on Jan 3, 2020

fix test
Siedlerchr
committed