Plot clarification for EI, and a minor balancing fix

data/scenarios/Eastern_Invasion/Approaching_Weldyn.cfg

@@ -86,9 +86,9 @@
 	controller=ai
 	recruit=Revenant,Bone Shooter,Wraith
 	{GOLD 500 600 750}
-	recruitment_pattern=fighter,archer,mixed fighter
+	recruitment_pattern=fighter,archer,scout
 	team_name=bad
-	{AI_STUFF}	
+	{AI_STUFF}
 	[/side]
 	
 	[side]
@@ -141,11 +141,17 @@
 		[recall]
 		description=Owaec
 		[/recall]
+		[recall]
+		description=Engineer
+		[/recall]
 		[message]
 		description=Gweddry
-		id=msg_cmpgn_ei_17_01
 		message= _ "We have finally reached Weldyn, but it seems the undead have surrounded it. We must break through to reach the king!"
 		[/message]
+		[message]
+		description=Dacyn
+		message= _ "It would be best not to try to defeat these undead, there are too many of them. Go straight to the city."
+		[/message]
 	[/event]
 
 	[event]
@@ -157,19 +163,12 @@
 		[/filter]
 		[message]
 		description=Dacyn
-		id=msg_cmpgn_ei_17_02
 		message= _ "We have reached Weldyn. Now we must have a council to decide what to do next."
 		[/message]
 		[message]
 		description=Konrad II
-		id=msg_cmpgn_ei_17_03
 		message= _ "Come, into the castle."
 		[/message]
-		[message]
-		description=Gweddry
-		id=msg_cmpgn_ei_17_05
-		message= _ "Wait. First, what was that prophecy the lich talked about? I think you know of what he spoke."
-		[/message]
 		[endlevel]
 		result=victory
 		bonus=yes
@@ -183,7 +182,6 @@
 		[/filter]
 		[message]
 		description=Konrad II
-		id=msg_cmpgn_ei_17_04
 		message= _ "Weldyn has been captured, and Wesnoth is no more..."
 		[/message]
 		[endlevel]

data/scenarios/Eastern_Invasion/Throne_Room.cfg

@@ -19,8 +19,8 @@
 
 	[story]
 		[part]
-		story= _ "Yes, the prophecy. I know of what the lich spoke. It all started in the reign of Haldric VII..."
-#		background=
+		story= _ "Before we begin our council, I must tell you all a story, of who this lich we face is. He was at first a mage of light, like me, and his fall began during the reign of Haldric VII..."
+		background=portraits/Eastern_Invasion/dacyn.png
 		[/part]
 		
 		[part]
@@ -155,7 +155,6 @@
 		[/message]
 		[unit]
 		description=Royal Guard
-		generate_description=yes
 		type=Royal Guard
 		x=10
 		y=18
@@ -163,12 +162,10 @@
 		[/unit]
 		[message]
 		description=Royal Guard
-		id=msg_cmpgn_ei_18_12
 		message= _ "Sire, the undead armies are attacking!"
 		[/message]
 		[message]
 		description=Owaec
-		id=msg_cmpgn_ei_18_13
 		message= _ "Well, that will have to be the end of our council. Let us fight!"
 		[/message]
 		[endlevel]