JPG3 (JPG Fish) ripper added

[joroto]

Category

This change is exactly one of the following (please change [ ] to [x]) to indicate which:

• [ ] a bug fix (Fix #...)
• [x] a new Ripper (JPG3/JPG Fish)
• [ ] a refactoring
• [ ] a style change/fix
• [ ] a new feature

Description

Added a new ripper for JPG3/JPG Fish

Testing

Multiple galleries downloaded successfully

[soloturn]

merged. if you could a test class would be cool, so it survives refactorings better.