re #283     added a link to "all tags" page in tag module of each sentences re #170     added a message if there's no tag on a sentence rather than display an empty module
re #283
    added a link to "all tags" page in tag module of each sentences
re #170
    added a message if there's no tag on a sentence rather than display an empty module


git-svn-id: 776ea4b3e47339c5b8782ec5e9346c740e073fb4@1416 e0e46c49-be69-4f5a-ad62-21024a331aea

hans/tatoeba2,hans/tatoeba2,hans/tatoeba2