Added get_metainfo in LibtorrentMgr
Import fix
Some renaming
Small get_metainfo improvement
Move MagnetLink.parse_url to utilities
Removed magnet_handler from LaunchManyCore
Deleted MagnetLink.py and MiniBitTorrent.py
Deleted test_magnetlink.py
Fix for swift_hash error made by Niels
Don't show swift-url modifications
Small HorizontalGradientGauge fix
Merge remote-tracking branch 'upstream/devel' into getpeers

Conflicts:
	Tribler/Core/APIImplementation/LaunchManyCore.py
	Tribler/Core/DecentralizedTracking/MagnetLink/MagnetLink.py
	Tribler/TrackerChecking/TorrentChecking.py
Merge pull request #163 from egbertbouman/getpeers

Use libtorrent for torrent collecting