Improve support for nyan-mode

[swarnendubiswas]

nyan-mode works great with powerline, except one minor usability difficulty. Without any indicator for the end of the nyan mode bar, it becomes difficult to estimate the position in the buffer, without having other segments like buffer info enabled.

[technician77]

I use the powerline default theme. I don't know if this solves your issue but I solved this for me by changing line 68 in powerline-themes.el to this:

(powerline-raw (list (nyan-create)) face2 'l))
(funcall separator-left face1 face2)))

Now it looks like this: