+Added separate icons for different types of signal boxes (standard, empty, skp, unknown)
*Signal boxes names no longer include [] and <> tags
*SignaBoxes are now a seperate class, not part of the Misc class
*Rotations of signal boxes are now more accurate
+Added Route class
+Added RouteRenderer
*Parts of the map rendered by different renderers are now separated into <g> groups
*Fixed signals not being parsed correctly
