adds a new output format
[DDC-93] Started ValueObjectsTest
[DDC-93] Parse @Embedded and @Embeddable during SchemaTool processing to make parsing work.
[DDC-93] Implement first working version of value objects using a ReflectionProxy object, bypassing changes to UnitOfWork, Persisters and Hydrators.
[DDC-93] Add some TODOs in code.
[DDC-93] Show CRUD with value objects with current change tracking assumptions.
[DDC-93] Rename ReflectionProxy to ReflectionEmbeddedProperty, Add DQL test with Object and Array Hydration.
add shortcut for force
Cleaned up documentation

Cleaned up documentation, tweaked some of the grammar, changed class#method() references to class::method(), added warning about performance impact of lazy loading
Updated method documentation to use # for instance methods instead of ::
Update getting-started.rst

Replaced ``class::$field`` with ``class#field`` to match Doctrine style

Cleaned up three paragraphs mentioned in https://github.com/doctrine/doctrine2/pull/734
Multiple invokation of listeners on PreFlush event

Only lifecycle callbacks and entity listeners should be triggered here. The preFlush listener event is already triggered at the beginning of commit()
Added unit test
removed unused use statements, fixed typo and group tag
Listener class prefix
Identifier can be empty for MappedSuperclasses

When MappedSuperclass is inspected without identifier column been assigned, always return false. Solves "Undefined offset" notice.
Options not respected for ID Fields in XML Mapping Driver

Same bug of the YAML driver, see: http://www.doctrine-project.org/jira/browse/DDC-2661
Options not respected for ID Fields in XML Mapping Driver (XSD update)

XSD update.

The same bug of the yaml driver: see http://www.doctrine-project.org/jira/browse/DDC-2661
Added support for field options to FieldBuilder
Code style fix