make sure that appearance and capabilities are initialized

src/main/java/edu/nps/moves/dis/EntityStatePdu.java

@@ -56,7 +56,7 @@ public class EntityStatePdu extends EntityInformationFamilyPdu implements Serial
  * a series of bit flags that are used to help draw the entity, such as
  * smoking, on fire, etc.
  */
- protected int entityAppearance;
+ protected int entityAppearance = 0;
 
  /**
  * parameters used for dead reckoning
@@ -72,7 +72,7 @@ public class EntityStatePdu extends EntityInformationFamilyPdu implements Serial
  /**
  * a series of bit flags
  */
- protected int capabilities;
+ protected int capabilities = 0;
 
  /**
  * variable length list of articulation parameters

src/main/java/edu/nps/moves/dis7/EntityStatePdu.java

@@ -57,7 +57,7 @@ public class EntityStatePdu extends EntityInformationFamilyPdu implements Serial
  * a series of bit flags that are used to help draw the entity, such as
  * smoking, on fire, etc.
  */
- protected long entityAppearance;
+ protected long entityAppearance = 0;
 
  /**
  * parameters used for dead reckoning
@@ -73,7 +73,7 @@ public class EntityStatePdu extends EntityInformationFamilyPdu implements Serial
  /**
  * a series of bit flags
  */
- protected long capabilities;
+ protected long capabilities = 0;
 
  /**
  * variable length list of variable parameters. In earlier DIS versions this