Fixing the issue #3292

This change fixes the issue #3292. The details were mentioned in the comments to the issue.
Merge pull request #3537 from arturf/master

Hide output in LinkPager when only one page exist
Add $key to function parameter

I think it's better to enclose `$key` as function parameter.
tried to fix tests for #3472
Issue 3532: Add note about AR default values to upgrade notes
Fixes #3548: Fixed the bug that X-Rate-Limit-Remaining header is always zero when using RateLimiter
Merge pull request #3546 from mikehaertl/master

Issue #3532: Add note about AR default values to upgrade notes
Improve `in` validator to properly support array attributes.
Fixed test break of Html.
Merge branch 'master' of git://github.com/yiisoft/yii2
Update CHANGELOG.md
Fixed allowance for ratelimiter. [skip ci]
Log for pull request #3544
Added CodeClimate quality score
Merge pull request #2 from yiisoft/master

merge
Code readability fix
CHANGELOG
Tests added
RangeValidator bugfix
refactored Html.