Do not show the golem HP if the golem is dead

Harno, the Herald of Minath Tirith will initiate a dialog if it is alreayd speaking
Chats & Stores can only be triggered by a player
Corrected some alchemist talent descriptions


git-svn-id: http://svn.net-core.org/repos/t-engine4@1051 51575b47-30f0-44d4-a5cc-537603b46e54