Code cleanup

- Copyright header updated
- Removed unused variables

src/main/java/org/genesys2/client/oauth/GenesysApiException.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/GenesysClient.java

 /*
- * Copyright 2018 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/GenesysTokens.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/HttpConstants.java

+/*
+ * Copyright 2019 Global Crop Diversity Trust
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.genesys2.client.oauth;
 
 public class HttpConstants {

src/main/java/org/genesys2/client/oauth/HttpRedirectException.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/OAuthAuthenticationException.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/PleaseRetryException.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/api/GenesysApi.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/api/accession/AccessionJson.java

 /*
- * Copyright 2018 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/api/accession/Api1Constants.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/api/accession/CollectingJson.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/api/accession/GeoJson.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/api/accession/Remark.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/api/images/RepositoryFile.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/genesys2/client/oauth/api/images/RepositoryImage.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/test/java/org/geneys2/client/oauth/AccessionApiTest.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/test/java/org/geneys2/client/oauth/AccessionImagesTest.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/test/java/org/geneys2/client/oauth/ApiTest.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,23 +16,12 @@
 
 package org.geneys2.client.oauth;
 
-import static org.hamcrest.CoreMatchers.equalTo;
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.mockito.Matchers.anyMapOf;
-import static org.mockito.Matchers.anyString;
+import static org.mockito.Matchers.*;
 import static org.mockito.Mockito.when;
 
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
 
-import com.fasterxml.jackson.annotation.JsonInclude.Include;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.SerializationFeature;
-import com.fasterxml.jackson.databind.node.ObjectNode;
-import com.github.scribejava.core.model.Verb;
-
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.client.methods.HttpPost;
 import org.genesys2.client.oauth.GenesysApiException;
@@ -47,9 +36,13 @@ import org.junit.runner.RunWith;
 import org.mockito.Matchers;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
-import org.mockito.invocation.InvocationOnMock;
 import org.mockito.runners.MockitoJUnitRunner;
-import org.mockito.stubbing.Answer;
+
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.github.scribejava.core.model.Verb;
 
 /**
  * The Class ApiTest.
@@ -60,9 +53,6 @@ public class ApiTest {
 	/** The object mapper. */
 	private static ObjectMapper objectMapper;
 
-	/** The Constant bananaJson. */
-	private static final String bananaJson;
-
 	/** The http get mock. */
 	@Mock
 	protected HttpGet httpGetMock;
@@ -80,8 +70,6 @@ public class ApiTest {
 		objectMapper.configure(SerializationFeature.WRITE_ENUMS_USING_TO_STRING, true);
 		objectMapper.configure(SerializationFeature.WRITE_EMPTY_JSON_ARRAYS, false);
 		objectMapper.setSerializationInclusion(Include.NON_NULL);
-
-		bananaJson = objectMapper.createObjectNode().put("shortName", "banana").toString();
 	}
 
 	/**

src/test/java/org/geneys2/client/oauth/JsonNodeMatchers.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/test/java/org/geneys2/client/oauth/MockGenesysException.java

 /*
- * Copyright 2016 Global Crop Diversity Trust
+ * Copyright 2019 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.