Added drop shadow and changed borders for all icons to 1px.

Even though I don't use Fedora linux, I joined the fedora design team to help with some design tasks. My first project was ticket #165: Design a new icon for Vym (View Your Mind). Vym is mind mapping software.

The only thing I could make out in the original Vym icon (here) is that there is a blue head.  The rest of the icon was very confusing. let alone hard to iconify.  So I decided to take a chance and redo the enitre logo. After a dozen or so sketches, I finally settled on this:
Now for the icons themselves, i need to do a couple of things to better adhere to Tango icon guidelines:

1. drop shadow
2. 1px border for all icon sizes.