Filter rows feature on "Browse" table page.

Only those rows will be shown which contains the entered keyword.

![filter_rows](https://cloud.githubusercontent.com/assets/6863616/2538657/440adba2-b5c0-11e3-90c4-e6bb5e44fe7f.png)


Signed-off-by: Ashutosh Dhundhara <ashutoshdhundhara@yahoo.com>