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out of date.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`
Remove `display: table;` on #wrapper. Closes #2553.

Let's get this party started.
#2555: remove unused DSL method
Add translation for 'Anonymous' author

When a comment author is removed he is shown as 'Anonymous' without
options for translation
Merge pull request #2564 from brennovich/2563-translation-for-anonymous-comment-author

Add translation for 'Anonymous' author
remove deprecated `resource` method
table_for cleanup

also removes unused `visible_columns` method
make table_for accept single records
abstract out current user nav item so it's more easily reused

this is useful if e.g. you want to put something in between the current
user item and the logout link
fix top padding for index pages
Merge pull request #2567 from Daxter/css/index-padding

Fix top padding for index pages
Login form's authentication_keys and password field now getting their labels from locale. Also Finnish locale added.
typo and addition on :fr locales
Merge pull request #2551 from randomm/master

Added labels for login form authentication fields & password field