add nls support for windows version

Signed-off-by: xiehuc <xiehuc@gmail.com>
add cpack install option

Signed-off-by: xiehuc <xiehuc@gmail.com>
update libcurl reference

Signed-off-by: xiehuc <xiehuc@gmail.com>
remove intl dependence

Signed-off-by: xiehuc <xiehuc@gmail.com>
update liblwqq reference

Signed-off-by: xiehuc <xiehuc@gmail.com>
Merge branch 'upstream'