[HBASE-3584] Allow atomic put/delete in one call - ASF JIRA

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Right now we have the following calls:

put(Put)
delete(Delete)
increment(Increments)

But we cannot combine all of the above in a single call, complete with a single row lock. It would be nice to do that.

It would also allow us to do a CAS where we could do a put/increment if the check succeeded.

Amendment:
Since Increment does not currently support MVCC it cannot be included in an atomic operation.
So this for Put and Delete only.

is part of

HBASE-3523 Rewrite our client (client 2.0)

relates to

HBASE-5569 Do not collect deleted KVs when they are still in use by a scanner.

1.	Group atomic put/delete operation into a single WALEdit to handle region server failures.	Closed	Lars Hofhansl
2.	Rename RowMutation to RowMutations	Closed	Amitanand Aiyer
3.	Assign different memstoreTS to different KV's in the same WALEdit during replay	Closed	Unassigned
4.	use different memstoreTS for different operations in the same RowMutation.	Closed	Unassigned