Merge pull request #14 from tksohishi/master

Fix description for neobundle install with unite.vim
- Improved documentation.
- Merged.
- Improved documentation.
- Fixed documetation.
- Fixed neobundle#util#expand().
- Updated vital.
- Fixed vital error.
- Updated vital.
Fixed line conversion.
- Fixed vital.vim
Merge branch 'master' of github.com:Shougo/neobundle.vim
- Updated vital.
- Improved neobundle/install source.
- Added :NeoBundleUpdate command.
- Improved :NeoBundleInstall behavior.
- Merged.
- Implemented completion.
- Added neobundle/update source.
- Added neobundle/update source.

- Improved log.