fix: include field 'deprecated' in ir encoding and decoding

Author: klittlepage

sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/IrDecoder.java

@@ -240,6 +240,7 @@ private Token decodeToken()
             .byteOrder(mapByteOrder(tokenDecoder.byteOrder()))
             .presence(mapPresence(tokenDecoder.presence()));
 
+        tokenBuilder.deprecated(tokenDecoder.deprecated());
         tokenBuilder.name(tokenDecoder.name());
 
         encBuilder.constValue(get(valBuffer, type, tokenDecoder.getConstValue(valArray, 0, valArray.length)));

sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/IrEncoder.java

@@ -192,7 +192,8 @@ private int encodeToken(final Token token)
             .signal(mapSignal(token.signal()))
             .primitiveType(mapPrimitiveType(type))
             .byteOrder(mapByteOrder(encoding.byteOrder()))
-            .presence(mapPresence(encoding.presence()));
+            .presence(mapPresence(encoding.presence()))
+            .deprecated(token.deprecated());
 
         try
         {