Chaos and Circles

Now Galaxy Simulator is closer to a true sandbox game than ever.

This update has brought:

> You can now edit faction names and colors by going to the faction info page and clicking "Edit faction."
> You can now collapse factions by going to the faction info page and clicking "Collapse."
> You can now turn all star systems into circles which can look nicer, but it's slower than drawing squares --- it may significantly reduce performance on larger galaxies.
> Background star movement is now scaled with time
> Performance improvements (and de-provements so, kinda cancels out. sorry)
> Various bug fixes