Adding delimitMate to auto close parens/brackets/quotes
Clean up .vimrc and add spell check, smarttab, show whitespace

And add a change to underscore remapping

+"Set spell check for text files
+autocmd FileType gitcommit,mail,mkd,text set spell

+"Show whitespace that includes trailing whitespace.
+"highlight ExtraWhitespace ctermbg=darkgreen guibg=DarkCyan
+nnoremap <Leader>wn :match ExtraWhitespace /\s\+\%#\@<!$/<CR>
+nnoremap <Leader>wf :match<CR>
+autocmd BufWinEnter * call clearmatches()

+set smarttab

+" Map cu to change to underscore
+vmap cu ct_
+vmap cU dT_s