added trait for nested set
Merge pull request #954 from renaatdemuynck/master

added trait for nested set
Syntax highlighting on doc/symfony2.md
rename yml to yaml
change composer.json highlighting to json
Return the newly persisted LogEntry

Eases inheriting from LoggableListener to implement additional functionality, as copy-pasting onFlush now yields the LogEntries to work on.
Merge pull request #960 from corphi/patch-1

Return the newly persisted LogEntry
Merge pull request #959 from mhor/patch-2

Syntax highlighting on doc/symfony2.md
Typo.
Merge pull request #967 from burgeris/patch-1

Typo.
Uploadable: Adding support for ODM.
Fix bug preventing dateFormat Yaml option from setting

The dateFormat option is currently unusable if set in a yml file because the value is cast to a boolean in the Yaml driver.
Fixed typos
Merge pull request #969 from mattm458/patch-1

Fix bug preventing dateFormat Yaml option from setting
Relax doctrine/common constraint
Merge pull request #974 from robocoder/patch-1

Relax doctrine/common constraint
PHPDoc @return fixes
Merge pull request #975 from epicwhale/patch-1

PHPDoc @return fixes
if PersistDefaultLocaleTranslation is set, force postLoad personal translations

If persist_default_translation: true , only on default locale not
loaded translations values.