Archmages now get access to Enhancement school

git-svn-id: http://svn.net-core.org/repos/t-engine4@849 51575b47-30f0-44d4-a5cc-537603b46e54

game/modules/tome/data/birth/classes/mage.lua

@@ -67,6 +67,7 @@ newBirthDescriptor{
 		["spell/divination"]={true, 0.3},
 		["spell/conveyance"]={true, 0.3},
 		["spell/nature"]={true, 0.3},
+		["spell/enhancement"]={true, 0},
 		["cunning/survival"]={false, -0.1},
 	},
 	talents = {