Small fix for parsing tracker URL.
Updated DB handler unit test.
Added some comments.
Made TorrentCollecting unit test use random ports.
Small fixes for unit tests.
Merge pull request #321 from lfei815/unit-test-random-port

Made TorrentCollecting unit test use random ports.
Merge branch 'devel' into tc-url-fix
Fixed huge log in unit tests.
Merge pull request #320 from lfei815/tc-url-fix

Small fix for parsing tracker URL.
Fixed the using of random port in unit tests.
Merge pull request #322 from lfei815/fix-huge-dispersy-log

Fixed the huge dispery log generated during unit tests.
Merge pull request #323 from lfei815/rnd-port-unit-tests

Fixed the using of random port in unit tests.
Merge remote-tracking branch 'upstream/devel' into torcol_fix

Conflicts:
	Tribler/Test/API/test_seeding_live.py