DNA wallpapper

[Máirín Duffy]

  Jiří Jakub Mašek wrote:
> Hi, seawolf, hi people, good idea, I can add only this: take care on geometry of elements, there are seen pieces of dark blue element under the light blue one. .....................JJM

So I did yet another iteration of this. I actually worked on it at the 
Gimp/Inkscape/Blender booth at SIGGRAPH in Boston this past week to show 
off Inkscape to passers-by! :)

http://www.deviantart.com/deviation/37508168/

Here are the fixes I made based on some of the feedback I've got:

* the shading is improved. I'm using two separate gradients - one bold 
gradient for the strand-halves that are getting direct line, and one 
more muted gradient for strand-halves 'in the shade.'

* the blues are blue rather than purple-y :) they're compatible with the 
fedora logo blue colors.

* some of the lines in the DNA strands were connected sloppily. Should 
be aligned much better now.

* the DNA base pairs are now the fedora 'f' and the infinity symbol 
rather than just the 'f'

~m