Revert "Merge pull request #5 from AutoScout24/image-diff"

This reverts commit 20c4a5a352f148df378c65586acb916c2dc2dc42, reversing
changes made to cf2c855e88b421d679b93b5f0d382b530a29d7f8.
Revert "Merge pull request #6 from AutoScout24/image-compare-changes"

This reverts commit 6c60b00f43c82313811e26b81e4dca407aa86182, reversing
changes made to 20c4a5a352f148df378c65586acb916c2dc2dc42.