Moved the snapToBase() utility function to region.*pp

I've also adjusted the TODO file, which really shouldn't be committed.
Still, it's there now, so it stays. I don't think the logger is going to
be possible any time soon, so I'll probably look into the disconnection
handler.

common/utilities/utility.hpp

@@ -24,9 +24,6 @@
 
 #include <string>
 
-int snapToBase(int base, int x);
-double snapToBase(double base, double x);
-
 std::string truncatePath(std::string pathname);
 
 //fixing known bugs in g++