Fix css - added scrollbar on list view for small screens
Autocomplete changes:
Removed initSelection method in favour of directly setting the initial value
Added extra (not null) check autocompleteInput onChange function (prevents error when first called)
Merge pull request #2169 from antoinemineau/master

Fix css of list box on small screens (added scrollbar)
Merge pull request #2326 from caponica/autocomplete_refactor_init

Refactored how the autocomplete initialises its values
Minor improvements in translation messages in sonata_type_model_autocomplete
Merge pull request #2363 from pulzarraider/autocomplete_msg_excp_impr

Minor improvements in translation messages in sonata_type_model_autocomplete
updated ignore files added idea files to ignore list
Merge branch 'sonata-master'