NEW FEATURE: SHKFormFieldSettings now uses validationBlock to validate user’s input. Each sharer can now validate user input. Fixes #665
NEW FEATURE: Tumblr now does not allow send until user chooses the blog
NEW FEATURE: SHKTwitter can share media files automatically shared via frog. This means you can share videos and photos larger than 3mb too. Files accepted by Twitter are still uploaded directly to Twitter (photos smaller than 3mb)