Commit operation as per Section 5.2.7 of RFC 7047

Change-Id: I9fd5ef994163549ea18e1fee7979c3105e8eb5f8
Signed-off-by: Madhu Venugopal <mavenugo@gmail.com>
Fixed a bug in where condition usage in Update & Delete operations.
Also moved Delete operation to a seperate transaction in the Test code to test multiple transactions.

Change-Id: Idd1bb88ccbda75047c83d8e825992f8ee6aad881
Signed-off-by: Madhu Venugopal <mavenugo@gmail.com>
Merge changes Idd1bb88c,I9fd5ef99 into topic/schema

* changes:
  Fixed a bug in where condition usage in Update & Delete operations. Also moved Delete operation to a seperate transaction in the Test code to test multiple transactions.
  Commit operation as per Section 5.2.7 of RFC 7047