Updates/10.4

Minor patch 10.4 was released on May 20, 2014.

Changes
Several, amongst which:
 * Secret Service Quest: The two Signet Rings in the different secret service quests are now distinguishable by name. The TBI version is called "Suspicious Signet Ring" and the AVIN version "Family Signet Ring". The AVIN version is now also obtainable via Black Bert.
 * The Gravedigger of Drefia Quest: Players are now bounced if they do not have 2 Half-Eaten Brains with them when using the brain machine entrance teleport.