1. Renamed JButton Variables in MainGui.java to be more descriptive.
2. Changed bottom paanel lavel from Isolation Tanks to just Tanks.
3. Changed the title of the program from Fish Simulator V1.3 to Cichlid Behavior Research Simulator.
4. Formated StockTank.java code.
5. Made Methods in StockTank.java private.
6. Renamed okButton to importButton and changed label from OK to Import. Per Milestones2.pdf goal #4

Note: Milestone2.pdf goal #4 has 2 parts which it shouldn't, part 1 before the "and" is unclear.