Shift+Del to delete nodes without confirmation
Change key move behavior of canvas item editor to ignore zoom level; Add
alt + arrow key as local base move mode; Control + arrow key as local +
rotation move mode
Fix LineEdit selected text drag and drop behavior: move instead of duplicate selected text; maintain selection after drag and drop.
Merge pull request #397 from marynate/PR-line-edit-drag-n-drop

Fix LineEdit selected text drag and drop behavior
Merge pull request #393 from marynate/PR-2d-key-move

Tune 2d editor arrow key move mode
Merge pull request #392 from marynate/PR-delete-without-confirm

Shift+Del to delete nodes without confirmation