Created a trainer class (#12)

Added a trainer class with a name, a list of pokemon and a list of items. Game.java has been changed to treat the player as a Trainer.

Trainer.java

@@ -0,0 +1,55 @@
+import java.util.ArrayList;
+
+public class Trainer {
+	String name;
+	private ArrayList<Pokemon> pokemon;
+	private ArrayList<Item> items;
+	
+	public Trainer(String name, ArrayList<Pokemon> pokemon, ArrayList<Item> items) {
+		this.name = name;
+		this.pokemon = pokemon;
+		this.items = items;
+	}
+	
+	public void setPokemon(ArrayList<Pokemon> pokemon) {
+		this.pokemon = pokemon;
+	}
+	
+	public void setItems(ArrayList<Item> items) {
+		this.items = items;
+	}
+	
+	public ArrayList<Pokemon> getPokemon() {
+		return this.pokemon;
+	}
+	
+	public ArrayList<Pokemon> getConsciousPokemon() {
+		ArrayList<Pokemon> pokemon = new ArrayList<Pokemon>();
+		for (Pokemon singlePokemon : this.pokemon) {
+			if (singlePokemon.isConscious()) {
+				pokemon.add(singlePokemon);
+			}
+		}
+		return pokemon;
+	}
+	
+	public ArrayList<Pokemon> getFaintedPokemon() {
+		ArrayList<Pokemon> pokemon = new ArrayList<Pokemon>();
+		for (Pokemon singlePokemon : this.pokemon) {
+			if (!singlePokemon.isConscious()) {
+				pokemon.add(singlePokemon);
+			}
+		}
+		return pokemon;
+	}
+	
+	public ArrayList<Item> getItems() {
+		ArrayList<Item> items = new ArrayList<Item>();
+		for (Item item : this.items) {
+			if (item.getAmount() > 0) {
+				items.add(item);
+			}
+		}
+		return items;
+	}
+}