Renamed the to>Entity Name>() functiuons to toEntity()

ref #76

src/models/actions/create/CreateDonor.ts

@@ -18,7 +18,7 @@ export class CreateDonor extends CreateParticipant {
     /**
      * Creates a new Donor entity from this.
      */
-    public async toDonor(): Promise<Donor> {
+    public async toEntity(): Promise<Donor> {
         let newDonor: Donor = new Donor();
 
         newDonor.firstname = this.firstname;