nnoremap <leader>uf :<C-u>Unite -no-split -start-insert -buffer-name=files file_rec<cr>
nnoremap <leader>uy :<C-u>Unite -no-split -buffer-name=yank history/yank<cr>
nnoremap <leader>ub :<C-u>Unite -no-split -start-insert -buffer-name=buffer buffer<cr>
+nnoremap <leader>uo :<C-u>Unite -no-split -start-insert -buffer-name=outline outline<cr>
" Custom mappings for the unite buffer
autocmd FileType unite call s:unite_settings()