translate to Tranditioin Chinese
finished the part in Array & some in function section
finished function/ closures, general
modify language.json, index.json, constructors.md
finished function/ scope.md
finished intro/ index.md, object/ forinloop.md
finished object/ general.md
finished object/ hasownproperty.md, prototype.md
change #nav_main > ul >li / width
finished core/delete.md, types/casting.md, equality.md, instanceof.md
finished types/ casting.md, typeof.md
finished some other pages
Moved traditional Chinese translation from zh-tw to zhtw so that it would show up
Minor style updates
Forgot to add site/zhtw to gitignore...