README.md in postgres-copy-0.9.1 vs README.md in postgres-copy-0.9.2

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-# postgres-copy [![Build Status](https://travis-ci.org/diogob/postgres-copy.png?branch=master)](https://travis-ci.org/diogob/postgres-copy) [![Code Climate](https://codeclimate.com/github/diogob/postgres-copy.png)](https://codeclimate.com/github/diogob/postgres-copy)
+# postgres-copy [![Build Status](https://travis-ci.org/diogob/postgres-copy.svg?branch=master)](https://travis-ci.org/diogob/postgres-copy) [![Code Climate](https://codeclimate.com/github/diogob/postgres-copy.svg)](https://codeclimate.com/github/diogob/postgres-copy)
 
 This Gem will enable your AR models to use the PostgreSQL COPY command to import/export data in CSV format.
 If you need to tranfer data between a PostgreSQL database and CSV files, the PostgreSQL native CSV parser
 will give you a greater performance than using the ruby CSV+INSERT commands.
 I have not found time to make accurate benchmarks, but in the use scenario where I have developed the gem