Update README.mkd
Fix the wrong filename
Merge pull request #3 from crazymaster/README

Update README.mkd
Update copyright info and Language-Team (Issue #7)
Merge pull request #8 from vim-jp/update-copyright

Update copyright info and Language-Team (Issue #7)
Improve translation (Close #5)
Merge pull request #9 from vim-jp/improve-swapfile-message

Improve translation (Issue #5)
Merge branch 'master' into update-for-7.4.507
Update for 7.4.507 (Issue #6)