mail panel added
changelog note
fixed path traversal
added check for file name
Merge pull request #2385 from Ragazzo/debug_module_mail_panel

Debug module mail panel
The directory holding email templates is renamed from `mails` to `mail`
Unit test sphinx\ActiveRecordTest fixed
Method "callSnippetsInternal" for the Sphinx Query extracted
Unit test for yii\sphinx\Query::count() added.
added docs about inline validation

fixes #2406
added PHP 5.6 to unit tests
error summary tag mistype
Merge pull request #2413 from russianlagman/patch-1

error summary tag mistype
#2417 Possibility to specify dataType for $.ajax call in yii.activeForm.js
Adding @since tag and changelog line
Removing @since tag
Merge pull request #2418 from yiiframework-com-ua/2417-active-form-ajax-data-type

PullRequest for #2417
Fixes #2083: make sure keys of object type work with ActionColumn, GridView, etc.
Removed unnecessary PHPDoc property (https://github.com/yiisoft/yii2/commit/ce04134db24d3bcdc0388f5b7832dd1dbb1945ef)
Merge pull request #2421 from yiiframework-com-ua/master

Removed unnecessary PHPDoc property