Fix #563.
Merge pull request #564 from osyo-manga/issues_563

Fix #563.
* Typo, candiates -> candidates
Merge pull request #565 from whatsthebeef/master

* Typo, candiates -> candidates
Improve redraw_echo
Fix completion kind problem
Add vimfiler__external_filer feature
Fix #546 noshowcmd
Fix #567 vimfiler__external_filer behavior
Improve vimfiler__external_filer
Improve vimfiler__external_filer
Fix #568 improve vimfiler__external_filer action
Fix #569 add g:unite_kind_file_preview_max_filesize
Improve vimfiler__mkdir and vimfiler__rename actions
add converter_tail_abbr
Merge pull request #570 from smackesey/display_filenames_only

add converter_tail_abbr
Fix #569 preview action
Add file_rec/git source
Fix vimfiler__external_filer on Windows
Don't add clipboard register to yank history if it is identical to unnamed register