Made map take up more of the screen
Added basic support for loading in map nodes
Merge remote-tracking branch 'origin/gui' into gui

Conflicts:
	src/com/dus/taxe/Junction.java
	src/com/dus/taxe/Node.java
	src/com/dus/taxe/Station.java
	src/com/dus/taxe/gui/GUI.java
Added in basic support for map loading, and displaying of nodes