console/Controller support local options per action
console/Controller show help for local options
removed todo from grids guide
Fixes Yii1 reference.
Merge pull request #2675 from andersonamuller/patch-1

Fixes Yii1 reference.
#2630: `yii\heplers\Html::url` moved to new `yii\helpers\Url::create`
Added Url::asset
Added Url::rememberReturnUrl
Added Url::canonical
Renamed methods, added Url::getHome
apidoc cleanup
Added Url::createAbsolute, adjusted signiatures
Adjusted changelog
Argument for Url::base is now optional
Update _config.php

fixed application config for unit test
fix buildin php bug https://bugs.php.net/bug.php?id=66606
Adjusted Url helper methods
combine globalOptions() with local options into options($id)

adjust existing Console Controllers and docs
sort options by action in Migration controller
fixed some urls in guide; moved elasticsearch png file to proper location, to be seen by apidoc generator