Fix keymap to open Unite outline when FileType=vim or else

- vim: outline:folding
- default: outline:filetype
Fix to use neobundle#tap with unite.vim, vimshell
Fix keymap on unite.vim
Fix NeoBundle lazy loading
Add keymap to edit/reflect vimrc_local.vim
Fix reloading vimrc_local.vim to be not silently
Fix golang plugins management: manual -> neobundle#local