Add twig text extension
Allow dashboard to be splitted into 3 parts
Added DatagridMapperTest, ListMapperTest. Improved ShowMapperTest.
Merge pull request #1633 from pulzarraider/datagarid_test

Added DatagridMapperTest, ListMapperTest. Improved ShowMapperTest.
Add: missing dependency to Twig extensions

Necessary because of [this](https://github.com/sonata-project/SonataAdminBundle/blob/master/Resources/config/twig.xml#L14)
Add doc for boolean type
Merge pull request #1636 from michelsalib/patch-2

Add doc for boolean type
template docs page
Merge pull request #1634 from K-Phoen/twig-extensions-dependency

Add: missing dependency to Twig extensions
cleanup configuration
configuration warning
Merge pull request #1638 from tiagojsag/template_docs

Template docs
Add a new html_attributes to work with angular.js

Angular JS require to add a new attribute ng-app to the html tag.

This new block allow us to add it, for example :

{% block html_attributes %}ng-app="PrestaCMS.Page"{% endblock %}
Add class="no-js" directly in the block
Merge pull request #1639 from nicolas-bastien/patch-1

Add a new html_attributes to work with angular.js
Fix ACL editor
Merge pull request #1642 from dunglas/fix-acl-editor

Fix ACL editor
Added DatagridTest
Improved ModelToIdTransformerTest
Merge pull request #1646 from pulzarraider/transformer_test1

Improved ModelToIdTransformerTest