- entity mapper is now a service
- introduce hydrator
add setter for hydration mode
hydration mode should be possible to configured in every query

- pull solr up to parent class
- pull hydration mode up to parent class
solr was missing
add hydrator
introduce value-hydrator for document entity mapping
add case for index hydration
fix phpdoc
remove unused methods
fix existing tests
add hydration integration tests
add hydration tests
add

- PSR Formatting
- PHPDoc
make property overrideable for child-repositories, to switch
hydration-mode
Merge branch 'entity_hydration'
Fix behat test-setup
add missing phpdoc
add missing phpdoc
consistent HydrationMode
add missing phpdoc