Add patches for support Haiku (https://www.haiku-os.org)
Merge pull request #1819 from diger/haiku

Add patches for support Haiku (https://www.haiku-os.org)
Fix Qt5 support
Merge pull request #1925 from diger/haiku

Fix Qt5 support
Show stalled downloads that are uploading under the 'Active' filter. Closes #1654."
Forward declare classes where possible in 'TransferListWidget'.