mplayer: Disable use of unfree binary codecs by default
eval-release.nix: Handle exceptions properly
Torsocks is not compatible with certain apps like Kopete. Will integrate both in
NixOS.

Revert "removing tsocks as it has been replaced by torsocks."

This reverts commit f947527f184446572ad3e36c4423b23e797aeb5a.
Remove Wine-Warcraft because WarCraft 3 works just fine in vanilla Wine now.
torsocks: version bump to 1.2
source-tarball.nix: try src.revCount when src.rev is not available.