vimrc: add smancill/conky-syntax.vim
add bundle: tmuxline

... may as well *try* to unify things.
drop bundle rainbow_csv in favor of chrisbra/csv.vim

Better integration, etc.
Let signify update on focus-gained

...worth a shot, at least.
BufEnter autocmd to set tmux window title

...as it gets somewhat... useless... otherwise, and quickly.