[gedit-list] Color scheme editor

[Jono <jono foodnotblogs com>]

Hey folks,

I made a color scheme editor plugin. Please check it out and tell me
what you think:
https://github.com/jonocodes/GeditSchemer

In addition, I am exploring an API addition that will allow me to add
an "edit scheme" button from the preferences dialog instead of keeping
it in the menu bar as it is now. Tell me if you have any ideas along
those lines as well.

-Jono