[hbase20] update hbase 2 version to 2.0.0 GA
[hbase20] update hbase 2 version to 2.0.0 GA

brianfrankcooper/YCSB,ChristianNavolskyi/YCSB,brianfrankcooper/YCSB,brianfrankcooper/YCSB,ChristianNavolskyi/YCSB,leschekhomann/YCSB,leschekhomann/YCSB,brianfrankcooper/YCSB,ChristianNavolskyi/YCSB,ChristianNavolskyi/YCSB,leschekhomann/YCSB,leschekhomann/YCSB