Add polish language
Merge pull request #8 from Rocky993/patch-1

Add polish language
Merge pull request #9 from zdunex25/master

Update to 2.3.1.1
Add polish language
Rename strings to strings.xml
Merge pull request #12 from Rocky993/patch-4

Rename strings to strings.xml
Merge pull request #10 from Rocky993/patch-2

Add polish language
Rename arrays to arrays.xml
fixes in PL android 2.3 translation to avoid build breaks