Organised Variables and Methods into seperate files.

Added Pavement & Leprechaun classes.
Changed window with to 820.
Merge pull request #11 from GrahamWalters/develop

Organised Variables and Methods into separate files.
Merge branch 'pr/12' into develop

Conflicts:

TheDrunkenLeprechaun/src/com/NapierDevSoc/TheDrunkenLeprechaun/DrunkenLe
prechaun.java
Revert "Merge branch 'pr/12' into develop"

This reverts commit a92f583394a582b89ce7c5f17dbbbb28fd7ae3a9, reversing
changes made to 9af98ec456a6f43b85be5b420001868e9c899d58.
Added a street texture on the right side of the screen
Merge pull request #13 from GrahamWalters/develop

Added a street texture on the right side of the screen