Polished BMv2 protocol module

- Improved and fixed typos in javadocs
- Added missing beta API annotations
- Refactored the default interpreter implementation

Change-Id: Ibfb21d31415d8f25cc67307f8bea2871951c9a8f
diff --git a/protocols/bmv2/api/src/main/java/org/onosproject/bmv2/api/utils/Bmv2TranslatorUtils.java b/protocols/bmv2/api/src/main/java/org/onosproject/bmv2/api/utils/Bmv2TranslatorUtils.java
index 8d8966f..0cc102b 100644
--- a/protocols/bmv2/api/src/main/java/org/onosproject/bmv2/api/utils/Bmv2TranslatorUtils.java
+++ b/protocols/bmv2/api/src/main/java/org/onosproject/bmv2/api/utils/Bmv2TranslatorUtils.java
@@ -16,6 +16,7 @@
 
 package org.onosproject.bmv2.api.utils;
 
+import com.google.common.annotations.Beta;
 import org.onlab.util.HexString;
 import org.onlab.util.ImmutableByteSequence;
 
@@ -25,8 +26,9 @@
 import static com.google.common.base.Preconditions.checkNotNull;
 
 /**
- * Collection of util methods to deal with flow rule translation.
+ * Collection of utility methods to deal with flow rule translation.
  */
+@Beta
 public final class Bmv2TranslatorUtils {
 
     private Bmv2TranslatorUtils() {