Added Goal & Score functionality

Goals now restet the ball & increment the score when the ball enters
them.
The score is now tracked for each team & displayed in the upper corners.
Merge branch 'master' into Goal-&-Score-Functionality
Merge pull request #28 from KodeAndGame/Ddwire_SwimmerAnims

Ddwire swimmer anims
Revert "Merge pull request #28 from KodeAndGame/Ddwire_SwimmerAnims"

This reverts commit 5c8c91ba836f6444fc0d94b15cb5d8e6e3079f4b, reversing
changes made to 70d6cbfcc7eff15207be5e7c1c916e3143b7a964.
Merged Matt's branch to close #27
Updated everyone's scene with latest
Added Goal Posts

Added goal posts to mark goals.
This is just a placeholder untill 3D goal models can be created.
Closed #30 by adding a poor state system
Merge branch 'Goal-&-Score-Functionality' of https://github.com/KodeAndGame/ProSewerPolo into Goal-&-Score-Functionality
Merged Matt's pull request closing #32
Made it so that Swimmers' headings can never be 0

This closes #36
Made default swimmer catch radius larger
Merge branch 'master' into Ddwire_SwimmerAnims

Conflicts:
	Assets/Meshes/swimmer_anim_01.FBX.meta
	Assets/Scenes/DanDwire.unity