Display loading icon while fetching real row count.

Display loading icon while fetching real row count.

![rfe_1445_loading](https://cloud.githubusercontent.com/assets/6863616/3157951/aa905d5e-eafc-11e3-8525-8f08f461a95a.png)

Signed-off-by: Ashutosh Dhundhara <ashutoshdhundhara@yahoo.com>