mail panel added
changelog note
fixed path traversal
added check for file name
Added in an isset check because if you set a flash type that is not in our expected index it will throw a undefined index error
Reformatting code with tabs
Maybe better formatting?
one more change
Fixed where we remove invalid items
Merge pull request #2404 from Jasrags/master

Added in an isset check because if you set a flash type that is not in o...
Fixes #2405: The CSS class of `MaskedInput` now defaults to `form-control`
doc improvement
Added support for building SQLs with sub-queries
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