Update src/com/palmergames/bukkit/config/ConfigNodes.java

added on line 189
	NWS_TOWN_PREFIX("new_world_settings.town.prefix", "Town-"),
	NWS_NATION_PREFIX("new_world_settings.nation.prefix", "Nation-"),
hopes to create config item for nation and town prefix
Update src/com/palmergames/bukkit/towny/TownySettings.java

adding in nation and town prefix config grab
on line 1397
        public static String getTownPrefix() {

                return getString(ConfigNodes.NWS_TOWN_PREFIX);
        }

        public static String getNationPrefix() {

                return getString(ConfigNodes.NWS_NATION_PREFIX);
        }
Update src/com/palmergames/bukkit/towny/object/Town.java

Linking prefix config item into economy prefix name
line 22
	private static final String ECONOMY_ACCOUNT_PREFIX = TownySettings.getTownPrefix();
Update src/com/palmergames/bukkit/towny/object/Nation.java

adding config link for Nation economy prefix

line 18
	private static final String ECONOMY_ACCOUNT_PREFIX = TownySettings.getNationPrefix();
Merge pull request #55 from dadealus/master

Adding the ability to change the Economy prefix from the config