New features
[78d24a4] Create InvalidEntityException to replace RuntimeException in EntityUpdater (@Pierstoval)
Bug fixes
[24144f9] Improve the content_footer block in the layout template (@javiereguiluz)
[ef6c722] Fix autocomplete entity on filter (@danut007ro)
[db3e0f2] Remove orphaned </div> in layout.html.twig (@JorickPepin)
[5db9f0b] Fix warning in ChoiceFilterType (@bt-nn)
[950b6c8] Do not override HTML attribute title if already set for Action (@jbonnier)
[ae3ce67][50aecbd] Misc doc fixes (@sajadtorkamani, @tacman)