Fix fiber test sporadically failing on stable branch.
New Debian snapshot.
Conflicts with old -dbg package.
Move secction Conflicts from Source to tarantool secction.
Use tarantar binary from install's tree.
Rebuild for Debian/unstable.
Move tarantar manpage to tarantool package.
Merge branch 'stable' of https://github.com/tarantool/tarantool into stable