Fix an issue when importing images with different DPI (not 72 DPI) Some code improvements

Fixed an issue in "Splash" effect

improvement of the computation speed for some effects

- added localization in French, Italian, German, Spanish, Simplified Chinese, Brazilian Portuguese, Russian, Japanese, Korean and Turkish

- fixed "Flip" issue - added "Drag and Drop" support

support for HEIF format

- User Interface completely redesigned - support for "Dark Mode" - code improvement - added Chinese localisation

Code improvement Minor changes

- improved user interface; - minor changes;

- code optimization; - "zoom" change.

- new "Convolution" function; - some minor update.

- new "Blend" function; - fix a problem on "Export" function.

- added JPEG 2000 (jp2) file format; - added "Brazilian Portuguese" localization.

- new "Distort" effect; - new "Trim" effect.

added Italian translation.

- iCloud support - Retina display ready

- fixed "Open with" app/file association

- new "Stack", with save/load functions; - added "Open Recent" menu.

- "Stack" effect changed; - new "Splash" effect; - new "Zoom" effect.

- new "Glass" effect; - new "SpotLight" effect; - new "Mask" effect; - new "Stack" function; - fixed page bounds on printing.

- zoom in / zoom out; - new "Bloom" effect; - new "Sketch" effect; - new "Screenshot" effect; - new "Stack of effects" function

- added "Open with/Double click" function; - removed "Apply" button from effect tools; - new Flip effect; - new Crop effect; - new Border effect; - new Rotation effect; - new Stretch effect; - new Pinch effect; - new Bump effect:

- sandboxing ready; - added curl shadow size and amount; - added stretch function; - added transparency function; - added flip function; - resize with lock/unlock proportion of size.

- added 4 new perspective transformations; - added angle and depth to shadow effect; - added "adjust and effects panel" for image editing; - added "miniature" effect.

- added "Curl Effect"; - text fields now editable.