Changed $dataInstance to $document
Added check if the Document's identifier is set
WIP: Documents require a fixed identifier with the key "_id"

If "_id" is not set, the value will be set in the Database
Added more test for the Document identifier rewrite
Updated the people.json test resource
Fixed the unit tests
WIP: Added support for Indexes
Added the temp path to the configuration
Small performance improvements
Testing a separate method to assert the Document identifier of an array
Added some small performance improvements
Fixed a bug where the Lock Timeout exception could not be autoloaded
Enhanced the server startup in the REST server test
Merge branch 'feature/fixed-identifier' into develop

Conflicts:
	Classes/Domain/Model/Database.php
Merge remote-tracking branch 'origin/develop' into develop
IDE changes