[Java] Add HISTORY-JAVA.md and include both C++ and Java history files in .jar.

Summary:
Add HISTORY-JAVA.md and include both C++ and Java history files in .jar file
that describes important chagnes of RocksJava.

Test Plan: make rocksdbjava and make sure HISTORY.md is inside the .jar file

Reviewers: haobo, sdong, ankgup87

Reviewed By: ankgup87

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D19185

java/HISTORY-JAVA.md

@@ -0,0 +1,54 @@
+# RocksJava Change Log
+
+## By 06/15/2014
+### New Features
+* Added basic Java binding for rocksdb::Env such that multiple RocksDB can share the same thread pool and environment.
+* Added RestoreBackupableDB
+
+## By 05/30/2014
+### Internal Framework Improvement
+* Added disOwnNativeHandle to RocksObject, which allows a RocksObject to give-up the ownership of its native handle.  This method is useful when sharing and transferring the ownership of RocksDB C++ resources.
+
+## By 05/15/2014
+### New Features
+* Added RocksObject --- the base class of all RocksDB classes which holds some RocksDB resources in the C++ side.
+* Use environmental variable JAVA_HOME in Makefile for RocksJava
+### Public API changes
+* Renamed org.rocksdb.Iterator to org.rocksdb.RocksIterator to avoid potential confliction with Java built-in Iterator.
+
+## By 04/30/2014
+### New Features
+* Added Java binding for MultiGet.
+* Added static method RocksDB.loadLibrary(), which loads necessary library files.
+* Added Java bindings for 60+ rocksdb::Options.
+* Added Java binding for BloomFilter.
+* Added Java binding for ReadOptions.
+* Added Java binding for memtables.
+* Added Java binding for sst formats.
+* Added Java binding for RocksDB Iterator which enables sequential scan operation.
+* Added Java binding for Statistics
+* Added Java binding for BackupableDB.
+
+### DB Benchmark
+* Added filluniquerandom, readseq benchmark.
+* 70+ command-line options.
+* Enabled BloomFilter configuration.
+
+## By 04/15/2014
+### New Features
+* Added Java binding for WriteOptions.
+* Added Java binding for WriteBatch, which enables batch-write.
+* Added Java binding for rocksdb::Options.
+* Added Java binding for block cache.
+* Added Java version DB Benchmark.
+
+### DB Benchmark
+* Added readwhilewriting benchmark.
+
+### Internal Framework Improvement
+* Avoid a potential byte-array-copy between c++ and Java in RocksDB.get.
+* Added SizeUnit in org.rocksdb.util to store consts like KB and GB.
+
+### 03/28/2014
+* RocksJava project started.
+* Added Java binding for RocksDB, which supports Open, Close, Get and Put.

java/Makefile

@@ -10,7 +10,9 @@ clean:
 
 java:
 	javac org/rocksdb/util/*.java org/rocksdb/*.java
-	jar -cf $(ROCKSDB_JAR) org/rocksdb/*.class org/rocksdb/util/*.class
+	@cp ../HISTORY.md ./HISTORY-CPP.md
+	jar -cf $(ROCKSDB_JAR) org/rocksdb/*.class org/rocksdb/util/*.class HISTORY*.md
+	@rm -f ./HISTORY-CPP.md
 	javah -d $(NATIVE_INCLUDE) -jni $(NATIVE_JAVA_CLASSES)
 
 sample: java