[don't merge] history.end_rip_after_already_seen now works even if remember.url_his…

[cyian-1756]

…tory is false

Category

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

• a bug fix (Fix history.end_rip_after_already_seen only works if remember.url_history is true #1013)

Description

I added line in DownloadFileThread.java that check if the file being downloaded exists on disk and if so adds 1 to alreadyDownloadedUrls

Testing

Required verification:

• I've verified that there are no regressions in mvn test (there are no new failures or errors).
• I've verified that this change works as intended.
  • Downloads all relevant content.
  • Downloads content from multiple pages (as necessary or appropriate).
  • Saves content at reasonable file names (e.g. page titles or content IDs) to help easily browse downloaded content.
• I've verified that this change did not break existing functionality (especially in the Ripper I modified).

Optional but recommended:

• I've added a unit test to cover my change.

[cyian-1756]

The failed test passed locally