Better ssh detection

Signed-off-by: Edson César <edsono@gmail.com>
Merge branch 'master' of https://github.com/edsono/dotfiles
Beamer template

Signed-off-by: Edson César <edsono@gmail.com>
Merge branch 'master' of https://github.com/edsono/dotfiles
Better status for tmux
Better shell configuration