Fixed loading blank inputs
Fixed ctrl/cmd+shift+s saving the project in place
Fixed the equals block when one list is linked and the other is not
Added scaling and flipping
Docs, symbols
Blocks: refactor “script pics” feature
BYOB: new scriptsPicture() method for custom block definitions
GUI: new (hidden) feature: “Export all scripts as pic”

(including custom block refs)
Merge pull request #459 from galaticalmonkies/graphiceffects

Graphic effects
Merge pull request #467 from nathan/load-empty-inputs

Fixed loading blank inputs
Merge pull request #468 from nathan/fix-contains

Fixed the equals block when one list is linked and the other is not
Merge pull request #469 from nathan/shift-keyboard-shortcuts

Fixed ctrl/cmd+shift+s saving the project in place
German translation update, tweaks
Merge pull request #470 from Hardmath123/paint-transforms

Paint transforms
Paint Editor transform integration - little tweaks

Thanks, Kartik!!
Add Portuguese translation of graphic effects, costume transformations, and exporting of scripts as pic.
Merge pull request #471 from MMSequeira/master

Add Portuguese translation of graphic effects, costume transformations, ...
stop replacing the empty string with the number zero in watchers

fixed #473
initialize new variables with zero (instead of null)
fixed #465