Create ubuntu plugin, based on debian plugin.
Create ubuntu plugin, based on debian plugin.

* Easy to remember aliases
* Simplified
* Added aar() function for `sudo apt-add-repository xxxx && apt-get upgrade && apt-get install xxxx`
Spirotot/oh-my-zsh,Spirotot/oh-my-zsh,Spirotot/oh-my-zsh,Spirotot/oh-my-zsh