Reduced the size of the Driver Aid window - is now the same width of the Track Monitor.
Implemented distance bar in Driver Aid - awaiting calculation from track network.
Refactored some of the Driver Aid code to support different colours in different modes of "warning".
Added more interlocking code.
git-svn-id: http://svn.uktrainsim.com/svn/openrails/trunk@499 a9f3cfff-6c41-7446-b0ca-052bd761e6eb