botch: Added path_nodes, and node manager:

Revision 898
Added path_nodes, and node manager:
node_draw - draw node links (debugging)
node_rebuild - rebuild all node links

Also added A* PathFinding algorithm with helper methods such as GetPath( start, end, list&); etc

Changed Files:
[ul]
[li]trunk/Source/worldcommon/WorldCommon.vcproj[/li][/ul]
Added Files:
[ul]
[li]trunk/Source/worldcommon/PathFinding.cpp [/li][li]trunk/Source/worldcommon/PathFinding.h [/li][li]trunk/Source/worldcommon/PathNode.cpp [/li][li]trunk/Source/worldcommon/PathNode.h[/li][/ul]

Committed By Maurino Berry