Bug 13205: Last/first page options for result list paging

Bug 13205: Last/first page options for result list paging

This patch adds first and last page buttons to the pagination at the
bottom of a page of catalog search results.

To test:
1) Apply patch
2) Do a number of searches
3) For each search, ensure that the first and last page buttons work as
expected

Sponsored-by: Catalyst IT
Followed test plan, works as expected.
Signed-off-by: Marc Véron <veron@veron.ch>
Signed-off-by: Lee Jamison <ldjamison@marywood.edu>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>