Fixed plurals
Fixed plural strings
Updated French translation
Merge pull request #544 from tonymanou/ui_fix

Fixed plurals + fixed typo + updated French translation
Formatting
Updated Dutch/Flemish translation
Updated Japanese Translation
Updated Simplified Chinese translation(title_filters)
Merge pull request #547 from WedyDQ10/patch-15

Updated Japanese Translation
Merge pull request #548 from LazyZhu/master

Updated Simplified Chinese translation(title_filters)
Updated changelog
Updated Portuguese translation
Update & improve string translation
Merge pull request #549 from ngonchan/master

Update & improve string translation
Updated changelog
Polish translation updated

Please accept it finally :)
Also in Polish there should be one more plural to fit the strings correctly. Like:
1 aktywny filtr
2,3,4 aktywne filtry
5,... aktywnych filtrów
Merge pull request #550 from skibbipl/patch-14

Polish translation updated
Updated changelog
Polish translation updated

Added another plural option.
Merge pull request #551 from skibbipl/patch-15

Polish translation updated