TribalWarz - Iteration 29

-Chat FULLY FUNCTIONAL - YAY!
-Chat class moved into its own package to make it clear it is not to be
played with by the other classes.
-Added in color to displayTeams command
-Fixed chat color problems (was using ChatColor.getColor() with literal
names such as "YELLOW" or "BLUE" instead of their codes. Created a
method to circumvent this issue)
-SIGNED_IN database value zeros out for all players when server is
turned on, in case the server crashes before everyone can exit.
-Base location data was never removed from the DB when a new base
location was set, so I fixed it.