RFE#654: Range Search Capability.

RFE#654: Range Search Capability.
https://sourceforge.net/p/phpmyadmin/feature-requests/654/

![rfe_654](https://cloud.githubusercontent.com/assets/6863616/3363381/c99acf10-fb12-11e3-9bb9-82b53bb406e8.png)


Signed-off-by: Ashutosh Dhundhara <ashutoshdhundhara@yahoo.com>