New features

[b1e739ef] Added support for translatable objects in Twig (@Geolim4) [c25528c0] Added block for meta tags in login minimal template (@dragosprotung)

Bug fixes

[8f20bcd5] Fix Enum translation for grid in ChoiceField (@psihius) [c1d37bd5] Fix empty collection first item index (@zorn-v) [13271790] Fix InvalidOptionsException when using ChoiceField with zero choices (@alshenetsky) [5e1e6d09] Fix invalid DQL (@alshenetsky) [24745c51] Fix warning in DateTimeFilterType (@alshenetsky) [10b1f924] Fix login form bottom padding (@Seb33300) [96404d8f] Hide unnecessary vertical scrollbar (@Seb33300) [5182566a] Allow fields containing null-safe property paths (@alshenetsky) [5523f612] If it's a JoinColumnMapping, use property access (@KDederichs)