Fix starting units on random and skirmish maps.

Always spawn that cavalry that can be trained at the civic center, not
the other one from the barracks.
Spawn 2 melee and 2 ranged infantry units for Seleucids just as for any
other civ.

Differential Revision: https://code.wildfiregames.com/D647
Reviewed By: Grugnas, fatherbushido
Refs D649

This was SVN commit r19788.

binaries/data/mods/public/simulation/data/civs/iber.json

@@ -103,7 +103,7 @@
 			"Count": 2
 		},
 		{
-			"Template": "units/iber_cavalry_spearman_b"
+			"Template": "units/iber_cavalry_javelinist_b"
 		}
 	],
 	"Formations":

binaries/data/mods/public/simulation/data/civs/mace.json

@@ -132,7 +132,7 @@
 			"Count": 2
 		},
 		{
-			"Template": "units/mace_cavalry_javelinist_b"
+			"Template": "units/mace_cavalry_spearman_b"
 		}
 	],
 	"Formations":

binaries/data/mods/public/simulation/data/civs/sele.json

@@ -125,7 +125,11 @@
 		},
 		{
 			"Template": "units/sele_infantry_spearman_b",
-			"Count": 4
+			"Count": 2
+		},
+		{
+			"Template": "units/sele_infantry_javelinist_b",
+			"Count": 2
 		},
 		{
 			"Template": "units/sele_cavalry_javelinist_b"