ODM MongoDB Blameable ReferenceOne support
Added Blameable type one unittests
Added the slug handlers support for the YML fomat
Merge pull request #592 from WesleyVanOpdorp/BlameableOne

Blameable reference one
Revert "Added the slug handlers support for the YML fomat"

This reverts commit 97c9185c2f58edc14fe01a30d4c60d54d0a42b38.
Fixed the end-lines format
Merge pull request #593 from ste93cry/master

Added slug handlers registration support for YML format
[tests] make time assertion for timestampable in 5 secs interval
[sluggable] put back mapping drivers for slug handlers
[sluggable] update code to support handlers as before
[sluggable] handlers, add yaml, xml mapping sample references
update composer and readme
remove bin directory, not used
[sortable] fix for inherited, closes #510
TimestampableTrait: conflicting visibility

Private visibility of createdAt/ updatedAt properties will hide them from any class that does inherit the trait.

```php
class Base { use TimestampableTrait; } // is fine
class ComplexEntity extends Base {} // is not timestampable
```
Merge pull request #598 from goatherd/patch-1

TimestampableTrait: conflicting visibility
Minor author and removed @todo
Simplified configuration +
Merge branch 'master' of github.com:l3pp4rd/DoctrineExtensions into reference_integrity

Conflicts:
	composer.json