Pagination improvements (#1445)

* Replace will_paginate with kaminari

* Use #page instead of #paginate in controllers

* Replace will_paginate.page_gap with pagination.truncate in i18n

* Customize kaminari views to match prior styles

* Set kaminari options to match prior behavior

* Replace will_paginate with paginate in views

app/views/admin/accounts/index.html.haml

@@ -46,4 +46,4 @@
           = table_link_to 'globe', 'Public', TagManager.instance.url_for(account)
           = table_link_to 'pencil', 'Edit', admin_account_path(account.id)
 
-= will_paginate @accounts, pagination_options
+= paginate @accounts

app/views/admin/domain_blocks/index.html.haml

@@ -13,5 +13,5 @@
           %samp= block.domain
         %td= block.severity
 
-= will_paginate @blocks, pagination_options
+= paginate @blocks
 = link_to 'Add new', new_admin_domain_block_path, class: 'button'

app/views/admin/pubsubhubbub/index.html.haml

@@ -26,4 +26,4 @@
           - else
             = l subscription.last_successful_delivery_at
 
-= will_paginate @subscriptions, pagination_options
+= paginate @subscriptions

app/views/admin/reports/index.html.haml

@@ -29,4 +29,4 @@
           %td= truncate(report.comment, length: 30, separator: ' ')
           %td= table_link_to 'circle', 'View', admin_report_path(report)
 
-= will_paginate @reports, pagination_options
+= paginate @reports