Out of date templates with Koha 20.11

[AndrewIsh]

As more and more of our customers move to 20.11 we're encountering problems with the template provided being out of date. Specifically, class names such as row-fluid, span2 & span10 are no longer used, so styles no longer correctly apply.

[efrierson]

Thanks for reporting this. We'll be taking a look at this soon.

[amitebsco]

Started working will submit patches soon for review.

[amitebsco]

template issue with detail page (eds-detail.pl), advance search page (eds-search.pl)

[amitebsco]

Fixed template: eds-detail.pl, eds-search.pl, and result page.

[amitebsco]

Added to select multiple items from the search result page by clicking the option "select all" and add into the cart.
Given options "select all" and "clear all" on the search result page.