update CONTRIBUTING.md
update database_cleaner

closes #2388
only show the "New" action item on index pages

closes #894
code style update
redirect_to :back on comment creation

fixes #2269
update the list of dependencies
fix #1364 by not duplicating the default table presenter

It turns out we had the same default block in two places, but one was
out of date. Now we just rely on IndexAsTable.
fix typo in docs
#2537: autoload the comments model

By not loading the Comments model until Rails is initialized, we can
rely on the user's changes to Kaminari settings.
update the CHANGELOG
Fix translations for attributes_table component when using `row`

For some reason `@resource` from `AttributeTable` is `nil`, only
`@collection` is available. This fixes try to get the `@resource` class
from both `@resource` and `@collection`

**Issue:** #2556
Remove no longer defined resource from  attribute_table component

Since #2544 introduced multi record suport for attribute table we are
always leading with `@collection` instead `@resource`
Merge pull request #2557 from brennovich/2556-fix-translation-for-attributes_table

Fix translations for attributes_table when using `row`