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
UPDATE LT STRINGS

update
Merge pull request #552 from smiledexter/patch-14

UPDATE LT STRINGS
Updated changelog
Updated Turkish translation
Merge pull request #553 from bitterskittles/patch-1

Updated Turkish translation
Updated changelog
Update strings.xml
Merge pull request #555 from kv1dr/patch-2

Slovenian translation updated (and also 1 question)
Update strings.xml
Merge pull request #556 from kv1dr/patch-2

Slovenian translation updated (plural fixed)
Updated changelog
Update strings.xml

adapted language file "German / Deutsch" for Version 1.9.x ALPHA | BETA | RC!
Merge pull request #559 from 28Black/patch-11

adapted language file "German / Deutsch" for Version 1.9.x ALPHA | BETA | RC!