Make NG table get page size from the items per page setting
instead of a fixed number which is 20.
The styling of the pagination control is the same as the
django table with the prev and next links.
Co-Authored-By: Liuqing Jing <jing.liuqing@99cloud.net>
Co-Authored-By: Vladislav Kuzmin <vkuzmin@mirantis.com>
Change-Id: Ie5307e335ca3251a342d370e7277fe16067f7949
Closes-Bug: #1647677