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/6863616/2558311/a36b5960-b740-11e3-878c-7f33bc07e577.png)


Signed-off-by: Ashutosh Dhundhara <ashutoshdhundhara@yahoo.com>