nnoremap <silent> <leader>gs :Gstatus<CR>
nnoremap <silent> <leader>gd :Gdiff<CR>
nnoremap <silent> <leader>gc :tab Gcommit -v<CR>
-nnoremap <silent> <leader>gw :Gwrite<cr>
+nnoremap <silent> <leader>ga :Gwrite<cr>
" NERDTree {{{2
" open/close NERDTree with \e