Add Project info dialog

I tried to add 'git config' dialog, but there's only one item to show. (url)
So I think it is better to rename from 'git config' to 'project info'.
Currently this dialog has only repository Url info. and this dialog will have more items later.
Is this acceptable?

@dinhviethoa, @devoncarew

![image](https://f.cloud.github.com/assets/756988/2178739/818ac81a-9677-11e3-9f31-ffd58b98f208.png)
![image](https://f.cloud.github.com/assets/756988/2178750/0b861ba0-9678-11e3-84a6-8d6a09bd404b.png)