[gNewSense-art] AzulCeniza Theme Updated

[Luis Felipe López Acevedo]

Hello all,

I changed the themes a bit (added gloss and shadows), specially the dark
theme to fix the issue with Yelp, where the documents were unusable.

Here you can find some screenshots:

http://wiki.gnewsense.org/ArtworkProjects/AzulCeniza

But still not happy with them.