Revert "Fixes compile/run bugs in IntelliJ"

This reverts commit 36917c0d

forge-core/pom.xml

@@ -16,7 +16,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>23.0</version>
+            <version>16.0.1</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>

forge-game/src/main/java/forge/game/player/PlayerView.java

@@ -3,7 +3,6 @@ package forge.game.player;
 import java.util.*;
 import java.util.Map.Entry;
 
-import com.google.common.base.MoreObjects;
 import forge.card.CardType;
 import forge.card.mana.ManaAtom;
 import forge.game.card.CounterType;
@@ -92,7 +91,7 @@ public class PlayerView extends GameEntityView {
     }
 
     public FCollectionView<PlayerView> getOpponents() {
-        return MoreObjects.firstNonNull(this.<FCollectionView<PlayerView>>get(TrackableProperty.Opponents), new FCollection<PlayerView>());
+        return Objects.firstNonNull(this.<FCollectionView<PlayerView>>get(TrackableProperty.Opponents), new FCollection<PlayerView>());
     }
     void updateOpponents(Player p) {
         set(TrackableProperty.Opponents, PlayerView.getCollection(p.getOpponents()));

forge-gui-android/pom.xml

@@ -81,7 +81,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>23.0</version>
+            <version>16.0.1</version>
         </dependency>
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>

forge-gui-desktop/pom.xml

@@ -190,7 +190,7 @@
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-            <version>23.0</version>
+			<version>16.0.1</version>
 		</dependency>
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>

forge-gui-desktop/src/main/java/forge/view/Main.java

@@ -54,7 +54,7 @@ public final class Main {
 
         // command line startup here
         String mode = args[0].toLowerCase();
-
+        
         switch(mode) {
             case "sim":
                 SimulateMatch.simulate(args);

forge-gui-mobile/pom.xml

@@ -48,7 +48,7 @@
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-            <version>23.0</version>
+			<version>16.0.1</version>
 		</dependency>
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>

forge-gui/pom.xml

@@ -39,7 +39,7 @@
 	    <dependency>
 	        <groupId>com.google.guava</groupId>
 	        <artifactId>guava</artifactId>
-            <version>23.0</version>
+	        <version>16.0.1</version>
 	    </dependency>
 	    <dependency>
 	        <groupId>com.thoughtworks.xstream</groupId>