Create a build environment, based on production.

Disable Doctrine proxy class generation, which requires the database.
Make build config actually extend prod config.
Merge pull request #20 from SURFnet/feature/build-env

Create a build environment, based on production
Implement the logging strategy as in the Gateway
Merge pull request #21 from SURFnet/feature/implement-logging-strategy

Implement the logging strategy
Adding stub to get PR up and running
Add specific role and credentials to security configuration
Remove Stub controller, add new ManagementBundle
Document cURL usage of Management Configuration API
Adding ability to push configuration through middleware API
Docs & minor improvements
Temporary fix for the build, see https://www.pivotaltracker.com/story/show/83538452
Updated readme with example
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