Merge branch 'core-0.11' into 'master'

...ic/images/import_documentation/Widgets-API-Developers.png

source/import_documentation/Components/SiB-Display.rst

source/import_documentation/Components/SiB-Form-Search.rst

source/import_documentation/Components/SiB-Form.rst

source/import_documentation/Mixins/filter-mixin.rst

source/import_documentation/Mixins/widget-mixin.rst

source/import_documentation/Store-doc.rst

source/import_documentation/Widgets/Examples.rst

source/import_documentation/Widgets/Reference.rst

source/import_documentation/Widgets/display-widgets.rst

source/import_documentation/Widgets/form-widgets.rst

source/import_documentation/Widgets/multiple-widgets.rst

source/import_documentation/Widgets/other-widgets.rst

source/index.rst