Further renaming for consistency

lib/models/model_user.js

@@ -7,8 +7,8 @@
 // Dependencies
 var Config = require('../config/config');
 var Utilities = require('../utilities/utilities');
-var AppDynamoDB = require('./model_aws').DynamoDB;
-AppDynamoDB = new AppDynamoDB();
+var ModelDynamoDB = require('./model_aws').DynamoDB;
+ModelDynamoDB = new ModelDynamoDB();
 
 var moment = require('moment');
 var bcryptjs = require('bcryptjs');
@@ -231,10 +231,10 @@ User.prototype.showByEmail = function(email, callback) {
     params.TableName = dynamodb_table;
     params.IndexName = "email-index";
     params.KeyConditions = [
-        AppDynamoDB.Condition("email", "EQ", email)
+        ModelDynamoDB.Condition("email", "EQ", email)
     ];
 
-    AppDynamoDB.query(params, function(error, response) {
+    ModelDynamoDB.query(params, function(error, response) {
 
         if (error || !response) return callback({
             status: 500,
@@ -278,10 +278,10 @@ User.prototype.showByID = function(user_id, callback) {
     var params = {};
     params.TableName = dynamodb_table;
     params.KeyConditions = [
-        AppDynamoDB.Condition("_id", "EQ", user_id)
+        ModelDynamoDB.Condition("_id", "EQ", user_id)
     ];
 
-    AppDynamoDB.query(params, function(error, response) {
+    ModelDynamoDB.query(params, function(error, response) {
 
         if (error || !response) return callback({
             status: 500,
@@ -382,7 +382,7 @@ User.prototype.save = function(user, callback) {
     if (params.UpdateExpression[params.UpdateExpression.length - 1] === ',') params.UpdateExpression = params.UpdateExpression.substring(0, params.UpdateExpression.length - 1);
 
 
-    AppDynamoDB.updateItem(params, function(error, response) {
+    ModelDynamoDB.updateItem(params, function(error, response) {
 
         if (error || !response) return callback({
             status: 500,