Bug 9627 - Replace YUI buttons and menus on serials pages with Bootstrap

Bug 9627 - Replace YUI buttons and menus on serials pages with Bootstrap

This patch converts the toolbar include file used by Serials pages to
Bootstrap, replacing YUI button and menu code with Bootstrap markup.

To test, view any page in serials/ which uses serials-toolbar.inc
(subscription-detail.pl, serials-home.pl, etc).
Buttons and menus should look correct and work correctly, including:

- New subscription
- Edit subscription
- Edit as new (duplicate)
- Delete subscription
- Renew
- Receive
- Close

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
Comment: Work as described. No errors.
For me it would be better to use icon-remove, because icon-remove-circle
shows a little cross, think that a bigger cross is more clear.

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Works nicely, no problems found.
I think there is a point in differentiating between closing and deleting,
so the icon-remove-circle is maybe not ideal, but the icon-remove
would falsely indicate a delete. Maybe we can find another icon that
expresses the functionality a bit better later on.
Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>