Moved data registry to separate module.

src/lib.rs

@@ -4,10 +4,10 @@ mod mtterror;
 mod name;
 mod router;
 
-use data_director::{Include, Path};
+use data_director::{Include, Path, RegMsg, Register};
 use message::{
     Action, Addition, CalcValue, Calculation, Clock, CreateDoc, Field, FieldType, Message, Operand,
-    RegMsg, Register, Session,
+    Session,
 };
 pub use message::{MsgAction, Query};
 use mtterror::MTTError;