tester:
- added the input for the hair colour
Eyes:
- fixed the eye size so that it matches the eye colour
Hair:
- fixed hair colour and ammount to work exactly like the eye class
Person:
- added parameters to include hair colour changes
All:
-made copies of eyes in different names for the other trait classes.
Merge pull request #3 from rodrigjg/Jose

Jose
Update Hair.java

changed what used to say "getEyeColour" because of copying and pasting, to "getHairColour"
update gender

added the lists of dna possibilities for female male and hermaphrodites.
changed appropriate methods
Update Gender.java
Update Gender.java
Merge remote-tracking branch 'origin/master' into Thomas
added the chances for the different hair types and the amount of hair
types. 
Also made the variables hairColourChance be assigned to the
corresponding hair colour and amount when in the methods getSize and
getColour
finalized the constants in Hair.java