Added asElapsedTime function
Typo in asElapsedTime description
Call Yii::t everytime instead of passing a template variable
Typo
asElapsedTime can now take DateInterval as parameter
asElapsedTime style improvements
asElapsedTime can now take a DateInterval string as a parameter
Added support for inverted intervals (future time) and unit tests
Removed debug code, changed doc
Modified example in DataReader usage comment to reference a DB Command function which accepts a SQL string argument.
PSR-2 compliance
Merge branch 'master' of https://github.com/yiisoft/yii2

Conflicts:
	framework/base/Formatter.php
	tests/unit/framework/base/FormatterTest.php
Changed comment again to actually be correct. This is also consistent with the draft of the definitive guide.
Modified example in DataReader usage comment to reference a DB Command function which accepts a SQL string argument.
Changed comment again to actually be correct. This is also consistent with the draft of the definitive guide.
Merge branch 'yii2-docs-2340' of https://github.com/Skyh13/yii2 into yii2-docs-2340
Merge pull request #2802 from Skyh13/yii2-docs-2340

Update usage example in comments of db\DataReader
fix User::getReturnUrl() after #2501
Merge pull request #2804 from Ryadnov/patch-1

fix User::getReturnUrl() after #2501
Merge branch 'master' of https://github.com/yiisoft/yii2