Log Message:
Update to 2.74:

=== Transmission 2.74 (2012/12/10) ===

==== All Platforms ====
  * Fix a bug that prevented IPv6 addresses from being saved in dht.dat
  * Better handling of magnet links that contain 'tr.x=' parameters
  * Add filtering of addresses used for uTP peer connections
  * Fix detection of whether or not a peer supports uTP connections
==== Mac ====
  * Auto-grouping won't apply until torrents are demagnetized
  * Tweak the inspector's and add window's file lists to avoid auto-hiding \ 
scrollbars overlapping the priority controls
  * Fix potential crash when downloading and seeding complete at the same time
  * Fix bug where stopped torrents might start when waking the computer from sleep
==== Web Client ====
  * Fix a multi-file selection bug
  * Fix bug where the upload and download arrows and rates would not appear for \ 
downloading torrents
  * Fix bug when displaying the tracker list