Update dependancy versions, plugin version and readme

Author: AshanFernando

README.md

@@ -170,6 +170,9 @@ You need to add the following parameters to the AWS NODE SDK dynamodb constructo
 
 e.g. for dynamodb document client sdk
 ```
+var AWS = require('aws-sdk'),
+```
+```
 new AWS.DynamoDB.DocumentClient({
     region: 'localhost',
     endpoint: 'http://localhost:8000'

package.json

@@ -1,6 +1,6 @@
 {
     "name": "serverless-dynamodb-local",
-    "version": "0.2.5",
+    "version": "0.2.6",
     "engines": {
         "node": ">=4.0"
     },
@@ -39,7 +39,7 @@
         "aws-sdk": "^2.3.19",
         "bluebird": "^3.0.6",
         "dynamodb-localhost": "0.0.2",
-        "dynamodb-migrations": "0.0.7",
+        "dynamodb-migrations": "0.0.8",
         "lodash": "^4.13.1",
         "mkdirp": "^0.5.0",
         "tar": "^2.0.0"