Fixed the layout refresh bug

Rewrote combineTrait()

Wrote the testWin() method

Implemented goal selection

Added the breed button

Added formatting to cow box.

Updated help file.

Cows are now initialised with random trait values.

Rewrote rateCow()

Implemented load and save UI.

Worked on GUI and layout.

Parent and offspring boxes now shown.

Implemented mouse actions.

Updated README.md

Imported HelpWindow.java and integrated it into the menu.

Wrote help file

Worked on GUI layout

Various small adjustments to Herd.java

Wrote herd serialization code.

Wrote checkBreeding() and breed()

Wrote combineTrait() method

(Re-)wrote Cow constructors.

Various small changes, mostly GUI

Expanded Herd class.

Added getter methods to Cow.java

Created the Herd class to take care of the game logic.

Added README

Added license and repo information to source code.

Added license and .gitignore

Added makeName()