Merge pull request #2 from scottymeuk/master

Corrected Silex Service provider namespace
Added instructions for Silex Service Provider usage
Removed legacy Hoard library file
Added base framework for drivers. Closes #5
Add Gearman driver.
Started to implement a standards for payloads and response
Applied new payload/response to http driver
Changed payload structure
Add option to pass in own Event ID
Merge branch 'feature/drivers' of github.com:marcqualie/hoard-php-client into feature/drivers
Refactor Gearman driver to use Payload and Response.
Finish off the Gearman driver
Merge pull request #6 from scottymeuk/feature/drivers

Add a gearman driver
Added debug support to http driver
Allow driver to be passed into Silex Service Provider.
Merge pull request #7 from scottymeuk/patch/service-provider-driver

Allow driver to be passed into Silex Service Provider.