Fixes #949 - adds Spanish translations
Fixes #951 - adds Italian
Fixes #953 - adds JA translations
Fixes #955 - Adds Dutch
Fixes #956 - adds Polish translations
Fixes #957 - Adds Portugese (BR)
Fixes #958 - adds Russian
Fixes #960 - Adds cn-tw
Fixes #947 - Adds Arabic
Fixes #959 - Adds Turkish
Added comment about open file handles on Mac
Updates app engine handler for files with or without .html
Removing BOM from file