HCOLL-155 minor changes

src/main/java/net/openhft/chronicle/map/Context.java

@@ -21,7 +21,7 @@ package net.openhft.chronicle.map;
 /**
  * @author Rob Austin.
  */
-interface Context<K, V> extends AutoCloseable {
+public interface Context<K, V> extends AutoCloseable {
 
     /**
      * call this to unlock the maps segment

src/main/java/net/openhft/chronicle/map/ReadContext.java

@@ -1,3 +1,21 @@
+/*
+ * Copyright 2014 Higher Frequency Trading
+ *
+ * http://www.higherfrequencytrading.com
+ *
+ * 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 net.openhft.chronicle.map;
 
 /**

src/main/java/net/openhft/chronicle/map/WriteContext.java

@@ -1,3 +1,20 @@
+/*
+ * Copyright 2014 Higher Frequency Trading
+ *
+ * http://www.higherfrequencytrading.com
+ *
+ * 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 net.openhft.chronicle.map;
 
 /**
@@ -8,6 +25,6 @@ public interface WriteContext<K, V> extends Context<K, V> {
 
     void removeEntry();
 
-    // todo I have no idea why we have this, as this will aways be done on when calling close()
+    // todo I have no idea why we have this, as this will always be done on when calling close()
     // void update();
 }