[WIP] Redis ActiveRecord

also removed composer plugin and added it to requirements
this way the plugin is recognized by c...

* master: (587 commits)
fixed typo
Fixes #1222: refactored jui/Widget, intorduced jui/Slider...

- make use of traits
- short array
- better implementation of query findByPk

* master: (613 commits)
fixed typo
Fixes #1222: refactored jui/Widget, intorduced jui/Slider...

yii\sphinx\DataReader removed.

Correct Nav.php comments/PHP doc to reflect BS3 dropdown support.

Removed edited author ref.

Updated tabs

Corrected the example and doc to highlight allowed dropdown support in Bootstrap 3.

fixes #1284

Checkboxlist documentation fix

"Item" parameter keys are the values of the checkbox list,
while the values are the checkbox lab...

Fix doc

Renamed DetailView attribute "type" to "format"

for consistency with GridViews DataColumn where the same property is
also named format

avoid XSS with emails in format "Carsten Brandt <[email protected]>"

fix rbac select statement

Update Alert.php to display multiple flash messages for the session.

Cleaned up a few comments ... hope its not my OCD again... :-)

Reverted name to ```closeButton``` to be in sync with the bootstrap ```Alert``` widget.

1. Renamed closeButton to closeButtonOptions.
2. Generate unique id for each alert box.
3. Mo...

Include Schema in new migrations by default

fixes #1261

worked though all the guide files adjusted structure and
added some missing does

Changed usage of self to static to allow extendibility

fixes #1244

fixes #1246

Each flash variable can be mapped to a bootstrap alert type through a configuration array passed...

code style section has been added here:
https://github.com/yiisoft/yii2/wiki/Core-framework-code...

Cleaned up redundant code (and a typo missed earlier).

Removed redundant declarations and checks in the code.

Ensure previous CSS classes are not appended and reinitialized in the foreach loop.

issue #1246

also made everything conistent with client validation

Used ```Html::addCssClass``` and ```Html::removeCssClass``` more effectively.

Added closeButton parameter, assignment of CSS class corrected, and added php doc comments.

this allows to be able to call error action.

fixes #1244

fixes #1220

The previous alert widget within the advanced/basic app does not render multiple flash messages....

Small edit for consistency with frontend config.

Small edit for consistency with /apps/advanced/backend/config/main.php. Sorry, my OCD kicked in.

Update script filter

```map``` and ```indexOf``` on arrays were only added in IE9.
Changed to make use of jQuery's e...