Feature
- let user customize their right prompt in an update-resistant way #104
# Right Prompt variables
_pure_set_default pure_right_prompt ""
_pure_set_default pure_color_right_prompt $pure_color_normal
![screenshot](https://user-images.githubusercontent.com/1212392/50841404-efa90680-1364-11e9-871c-674f19cd75dc.png)
Quality
- test fish_right_prompt.fish 4196b44
- test right_prompt related configuration bac5393