add Vietnamese translation from Nguyễn Đình Trung
add Vietnamese translation from Nguyễn Đình Trung

svn commit r70

tzhuan/scim,davispuh/scim,scim-im/scim,davispuh/scim,tzhuan/scim,scim-im/scim,davispuh/scim,scim-im/scim,davispuh/scim,tzhuan/scim,scim-im/scim,tzhuan/scim