Remove stray comment chars in Arabic translation
Correct UTF-8 encoding of Russian and Chinese translations
Use single quotes in all array indices in language files
Remove unnecessary string concatenations and blank lines
Japanese and Polish are still broken
Ensure all files use UTF-8, no BOM
Ensure all files use Unix line breaks, and have no trailing line break
Arabic language was corrupted, so reimported from sourceforge patch
Files that previously used HTML entities now use correct UTF-8 characters
Looks like japanese and polish are corrupt, but I don't speak them to fix them!