OPEN - task 2: Adjust to API changes - removed unused imports

http://github.com/JavaMoney/javamoney-examples/issues/issue/2

Author: keilw

src/main/java/javax/money/MonetaryContext.java

@@ -10,11 +10,9 @@
 
 import java.io.IOException;
 import java.io.Serializable;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
-import java.util.Set;
 
 /**
  * This class models the numeric capabilities of a {@link MonetaryAmount} in a

src/main/java/javax/money/spi/JavaMoneyConfig.java

@@ -1,11 +1,10 @@
 /*
- * Copyright (c) 2012, 2013, Credit Suisse (Anatole Tresch), Werner Keil. 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.
+ * CREDIT SUISSE IS WILLING TO LICENSE THIS SPECIFICATION TO YOU ONLY UPON THE CONDITION THAT YOU
+ * ACCEPT ALL OF THE TERMS CONTAINED IN THIS AGREEMENT. PLEASE READ THE TERMS AND CONDITIONS OF THIS
+ * AGREEMENT CAREFULLY. BY DOWNLOADING THIS SPECIFICATION, YOU ACCEPT THE TERMS AND CONDITIONS OF
+ * THE AGREEMENT. IF YOU ARE NOT WILLING TO BE BOUND BY IT, SELECT THE "DECLINE" BUTTON AT THE
+ * BOTTOM OF THIS PAGE. Specification: JSR-354 Money and Currency API ("Specification") Copyright
+ * (c) 2012-2014, Credit Suisse All rights reserved.
  */
 package javax.money.spi;
 

src/main/java/javax/money/spi/MonetaryAmountFormatProviderSpi.java

@@ -8,9 +8,6 @@
  */
 package javax.money.spi;
 
-import java.util.Collection;
-import java.util.Locale;
-
 import javax.money.format.AmountStyle;
 import javax.money.format.MonetaryAmountFormat;
 

src/test/java/javax/money/function/MonetaryRoundingsTest.java

@@ -14,7 +14,6 @@
 
 import static org.junit.Assert.assertNotNull;
 
-import java.math.BigDecimal;
 import java.util.Locale;
 
 import javax.money.MonetaryContext;