disable fallback magnet download
RemoteTorrentHandler cleanup
create tarball for directories using TFTP
change metadata to use TFTP
add metadata download test
some fixes
First iteration of the 6.4 disk format migration script, thumbnail migration
disabled temporarily.
add tribler upgrade module
add db_version.py
fix sqlitecachedb.py
fix SqliteCacheDBHandler.py
create session pre-start
change tribler startup sequence
create v23 database script
remove dependency on swift
remove swift stuffs
remove swift tests
remove unused stuffs
remove swift submodule
update tribler 6.3 to 6.4 migration script