reformat code

eu.heili/EnxorGate.java

@@ -1,4 +1,4 @@
-public class EnxorGate extends ExorGate{
+public class EnxorGate extends ExorGate {
     public EnxorGate(int inputnr) {
         super(inputnr);
     }

eu.heili/NandGate.java

@@ -1,4 +1,4 @@
-public class NandGate extends AndGate{
+public class NandGate extends AndGate {
     public NandGate(int inputnr) {
         super(inputnr);
     }

eu.heili/NorGate.java

@@ -1,4 +1,4 @@
-public class NorGate extends OrGate{
+public class NorGate extends OrGate {
     public NorGate(int inputnr) {
         super(inputnr);
     }

eu.heili/NotGate.java

@@ -1,4 +1,4 @@
-public class NotGate extends LogicGate{
+public class NotGate extends LogicGate {
     public NotGate() {
         super(1);
     }