Lawrence: the solar system and planet classes
Olivia added new Universe Window and style sheet for old windows
Merge origin/master
Afiq and Lawrence adding eco system
Merge origin/master
Lawrence and Afiq make the Universe/SolarSystem/Planets ecosystem.
Java doc'd the solar system
Java doc'd the planet class
Java doc'd the enum files
Universe has successful toString method. Also fixing some bugs in Universe.
Olivia added Dialog boxes for no name and negative sp and also Universe print out
Universe has successful toString method. Also fixing some bugs in Universe.
Olivia set up market ui
Olivia updated Universe controller
Added the inventory, item, and market class.  Almost done.
Added some more functionality
Olivia updated Market UI
Adding random variance factor
Merge origin/master
Fixing a bug