Bug 18005: Re-styled pagination on search results with Bootstrap

Bug 18005: Re-styled pagination on search results with Bootstrap

Test plan:
0. Don't apply path
1. Make catalogue search in staff client with more then 20 results,
    scroll down to see that pagination is broken
2. Apply the patch
3. Make similar search and confirm, the pagination looks OK with new
style

Signed-off-by: Claire Gravely <claire_gravely@hotmail.com>
Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>