Implement real-time notifications

[evangipson]

I plan to make an "event log" where things will happen and alter prices of resources temporarily on certain planets.

Either use a notification system like this: http://www.erichynds.com/examples/jquery-notify/ or just the log like I've been using.

The reason for this is to entice players to leave and go to other planets to get good deals on stuff.

The format should follow this:
EVENT happened at PLACE and caused RESOURCE to plummet/raise!

I should also update the planet list to have (XXX +4, YYY -2) or whatever when I figure out the event log stuff, so the player knows at a glance what is going on in that planet.

After I implement this, I should work on issue #38.

[evangipson]

real time notifications don't make sense with a turn-based system, although the planet notifications are pretty cool. i'll close this for now and maybe we'll do the planet notification stuff later.