Removed Point::scale(),translate(),coincides_with(),distance_to(),

distance_to_squared(),perp_distance_to(),negative(),vector_to(),
translate(), distance_to() etc,
replaced with the Eigen equivalents.

xs/src/xsinit.h

@@ -74,6 +74,7 @@ extern "C" {
 	#undef realloc
 	#undef free
 	#undef Zero
+    #undef Packet
 	#undef select
 #endif /* _MSC_VER */
 }