Composerify and Rename to PHP 5.3 coding standards

These are all the necessary changes required to publish the API client
library on packagist.org with a PSR-0 compliant classpath.
Merge pull request #20 from maetl/composerify

Composerify and Rename to PHP 5.3 coding standards
added product sku methods to client.php
Merge pull request #22 from saranyan/master

Added product/sku methods to client.php
Merge pull request #23 from maetl/readme-change

Adding fully qualified namespace path to docs
Merge pull request #24 from maetl/resource-obj-path

Fix unqualified object path to use absolute path
Adding fully qualified namespace path to docs
Fix unqualified object path to use absolute path
Reset default request method after DELETE

This is a workaround for cURL's crappy API design choices.
Merge pull request #25 from maetl/connection

Reset default request method after DELETE
Add method to bulk delete customers
Merge pull request #26 from maetl/bulk-delete-customers

Add method to bulk delete customers
Full support for customer resource CRUD
Merge pull request #27 from maetl/full-customer-resource

Full support for customer resource CRUD
Add dev dependency on PHPUnit 3.7
Split configuration properties
Merge pull request #28 from maetl/configure-state-cleanly

Configure state cleanly
support for coupons endpoint
Merge pull request #29 from saranyan/master

Support for coupons endpoint
Make the Packagist link more prominent in README