New aliases for repo plugin
New aliases for repo plugin

This helps a lot in day to day android development:
- rs: repo sync (git fetch on all projects)
- rra: auto rebase for all projet without loosing uncommited changes
- rsrra: do both steps at once

Signed-off-by: Gaetan Semet <8ccd13098305f7fadd4fdccc2da60bfdfa8d8d20@xeberon.net>

ammula88/oh-my-zsh,ammula88/oh-my-zsh,ammula88/oh-my-zsh,ammula88/oh-my-zsh