Remove cruft and add TODO's

vimrc

@@ -13,6 +13,7 @@ if filereadable(expand('~/.vim/local.vim'))
 endif
 
 " vim-airline - improved status bar
+" TODO: Get rid of airline and roll your own
 Plug 'vim-airline/vim-airline'
 for s:setting in ['left_sep', 'right_sep', 'section_error', 'section_warning']
   exec 'let g:airline_'.s:setting.' = ""'
@@ -21,6 +22,7 @@ endfor
 Plug 'mkitt/tabline.vim'
 
 " YouCompleteMe
+" TODO: Try out neovim completion plugins to see if they are better
 if !platform#is_windows()
   " YouCompleteMe with parameter completion
   Plug 'oblitum/YouCompleteMe', {'do': './install.py --clang-completer'}