Added strings for units.wesnoth.org and added its maintainer to the contributors

data/about.cfg

@@ -585,6 +585,7 @@ Mark de Wever (Mordante/SkeletonCrew)
 Josef Reidinger (qk)
 Pauli Nieminen (coren/suokko)
 Jonas Lihnell (Roze)
+Miguel Zapico (elricz)
 "
 [/about]
 

data/english.cfg

@@ -18,6 +18,15 @@ elves= _ "Elves"
 humans= _ "Humans"
 orcs= _ "Orcs"
 undead= _ "race^Undead"
+dwarves= _ "race^Dwarves"
+goblins= _ "race^Goblins"
+lizards= _ "race^Lizards"
+mechanical= _ "race^Mechanical"
+mermen= _ "race^Mermen"
+monsters= _ "race^Monsters"
+nagas= _ "race^Nagas"
+ogres= _ "race^Ogres"
+troll= _ "race^Troll"
 
 #naming of terrain features
 bridge_name= _ "$name's Bridge,$name's Crossing"
@@ -37,4 +46,10 @@ village_name_mountain= _ "$name|ham,$name|bury,$name|ton,$name|mont,$name|mont,$
 #ranges
 range_melee= _ "melee"
 range_ranged= _ "ranged"
+
+#units.wesnoth.org
+wesnoth_unit_list= _ "Wesnoth unit list"
+based_on_version= _ "Based on version"
+race= _ "Race"
+advance_from= _ "Advance from"
 [/language]