Updated Polish translation

Some cosmetic changes.
Updated Vietnamses translations
Merge pull request #819 from skibbipl/patch-19

Updated Polish translation
Merge pull request #820 from ngonchan/master

Updated Vietnamses translations
Updated changelog
Base grid size is 3dp
Increase category selector dropdown size
Updated FAQ
Updated Arabic translation
Display clicks in application lists to prevent unintended restriction changes
Fix tri-state button background
Merge pull request #821 from waleedhassan/patch-6

Updated Arabic translation
Updated changelog
Added half state check box to application details view
1.10.26 test
Updated changelog
Improved application icon image quality
Experimental: replace checkbox images by (modified) resources
Remove unused attribute
Make check box half state gray