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

ref #76

src/models/actions/create/CreateGroupContact.ts

@@ -72,7 +72,7 @@ export class CreateGroupContact {
     /**
      * Creates a new Address entity from this.
      */
-    public async toGroupContact(): Promise<GroupContact> {
+    public async toEntity(): Promise<GroupContact> {
         let contact: GroupContact = new GroupContact();
         contact.firstname = this.firstname;
         contact.middlename = this.middlename;