some minor include untangling

Contractor/Prepare.cpp

@@ -30,7 +30,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "Contractor.h"
 
 #include "../Algorithms/IteratorBasedCRC32.h"
-#include "../DataStructures/BinaryHeap.h"
 #include "../DataStructures/DeallocatingVector.h"
 #include "../DataStructures/Range.h"
 #include "../DataStructures/StaticRTree.h"
@@ -45,6 +44,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "../Util/TimingUtil.h"
 #include "../typedefs.h"
 
+#include "../Util/GraphLoader.h"
+
 #include <boost/filesystem/fstream.hpp>
 #include <boost/program_options.hpp>
 

Contractor/Prepare.h

@@ -4,12 +4,12 @@
 #include "EdgeBasedGraphFactory.h"
 #include "../DataStructures/QueryEdge.h"
 #include "../DataStructures/StaticGraph.h"
-#include "../Util/GraphLoader.h"
+class FingerPrint;
+struct EdgeBasedNode;
+struct lua_State;
 
 #include <boost/filesystem.hpp>
 
-#include <luabind/luabind.hpp>
-
 #include <vector>
 
 /**