Change "'<" and "'>" to "v" and ".".
Merge branch 'change-visual-area-mark-to-v-and-dot' of https://github.com/presuku/vim-asterisk into presuku-change-visual-area-mark-to-v-and-dot
Fix to use appropriate position to handle multibyte

- getpos('.') doesn't always greater than getpos('v')
Merge branch 'presuku-change-visual-area-mark-to-v-and-dot'

- merge pull-request #4 with tiny fix