fix typo
fix incompatible annotation with doctrine

[Doctrine\Common\Annotations\AnnotationException]
[Semantical Error] The annotation "@noinspection" in class Sonata\AdminBundle\Admin\AdminExtensionInterface was never imported. Did you maybe forget to add a "use" statement for this annotation?
Fixed dot notation of nested fields in forms.
Added support for `multiple` option for list/show `choice` field type.
add cookbook index entry
Merge pull request #1741 from nicolasricci/add_cookbook_index_entry

Add cookbook index entry & fix typo
Merge pull request #1733 from Korpch/patch-2

fix incompatible annotation with doctrine
Merge pull request #1735 from pulzarraider/form_dot_nested_fix

Fixed dot notation of nested fields in forms.
Merge pull request #1739 from pulzarraider/list_choice_multiple_values

Added support for `multiple` option in list/show `choice` field type.
Merge branch 'sonata/master'