add gettext target to support documentation translation
add translation template
merge with trunk
update translation template
merge with trunk
update translation template
merge with trunk
update translation templates
merge with trunk
update translation templates
fix documentation errors
fix Japanese translation
merge with trunk
update translation template
fix spelling errors and invalid line breaking
merge with trunk
update translation template and add missing files
add FilePageNext and FilePagePrevious a toggle function
change 'toggle' to 'wrap'
fix document
fix document