Added 'Moving to <target>' and '<target> does not exist' messages when using g

Added 'Moving to <target>' and '<target> does not exist' messages when using ```g```. 
Change colour ouput of ```g``` from red to green (as not error)

See screenshot:
![bashmarks updated g](https://f.cloud.github.com/assets/111275/199677/01f4e798-8098-11e2-842d-2ff22c8dc625.png)