vimrc: some settings / cleanup
vimrc: some settings / cleanup

 - set confirm / splitright / splitbelow
 - add ToggleTooLongHL and map to ,sl
 - do not nmap <tab> => %, tab has a useful default

scorpiovn/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,blueyed/dotfiles,blueyed/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles