In this release:
- add Vietnamese translation (thanks to @tungps0811)
- fix some broken links in docs (thanks to @yorndv)
- solve compatibility with newer Symfony versions (thanks to @garak)
- improve tests (thanks to @garak)
- fix docs (thanks to @pochy-ja)
- allow Uploadable annotation in parent classes (thanks to @etshy)
- add new SmartUniqueNamer (thanks to @garak)
- deprecate non-property use of CurrentDateTimeDirectoryNamer (thanks to @garak)
- fix fopen flag (thanks to @guillaume-ro-fr)
- fix mapping dimensions field in XmlDriver (thanks to @chmelik)
- avoid spaceless filter (thanks to @jbafford)
- add catalan translation (thanks to @davidromani)
- fix DownladHandler (thanks to @mysiar)
- fix profiler template (thanks to @dragosprotung)