for consistency with other parts of the admin UI (ie: G2 import).
The UI is now Ajax driven because that's how jQuery tabs works best in
this case. This requires a little finagling in JS to get the
paginator links to load properly. While I'm in there, add a paginator
at the top of the table, make the buttons in the delete tab sane and
smooth scroll back to the top of the tab when switching pages.
Fixes#1702
Move the pager() function up to Gallery_View and replace
themes/admin_wind/views/pager.html.php (Pagination based) with a
modified version from the wind theme in
themes/admin_wind/views/paginator.html.php. Fixes#1718.
