Added min_timeout for startTest, allowing us to specify at least a
minumum time for which Tribler must be running.
Improved thumbnail-test with a local seeder.
SeedingManager should not stop streaming downloads
Also show pieces when a download is stopped
Merge pull request #213 from NielsZeilemaker/fix_runtime_error

Dialog test seems to have broken the tests, attempting to fix
Merge remote-tracking branch 'remotes/upstream/devel' into livebartercast