Merge pull request #12 from reinaldo422/master

More M2 stuff
Front-End Update
1) Planets now contain empty links
2) Static planets in star system image have been removed
Merge pull request #13 from sjklein92/master

Front-End Update (m2)
fixed GameLogic class
added gamelogic constructor
changed player selection
merge
disabled start game for less than 3 players and disabled add when there are more than 6 players
M2 update