Bug 5672: Gives RSS icons to catalog search history placed to the left of saved searches

Bug 5672: Gives RSS icons to catalog search history placed to the left of saved searches

Test plan:
* Verify that there is no RSS icons for saved searches in opac
* Install the patch
* Verify that there is no RSS icons for saved searches and searches for the current session in Opac.
* Test that the RSS links produce the expected result.

Note: I left out authority searches since I have very little experience with authority searches and didn't feel I could test it properly.
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com>
Signed-off-by: Nicole C. Engard <nengard@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>