Update constraints
Fix tests
resolved wrong namespace usage
Merge pull request #398 from antoinemineau/master

resolved wrong namespace usage
[doc] added missing event 'fos_comment_load_thread'
Merge pull request #400 from aitboudad/patch-1

[doc] added missing event 'fos_comment_load_thread'
Fixed vars parent and depth when getting a comment of a thread
Fixed check on ancestors value
Merge pull request #401 from antoinemineau/master

Fixed vars parent and depth when getting a comment of a thread
Add comment on needed format_listener rule after upgrading

After upgrading to FOSRestBundle  v1.0 you need to set a format_listener rule.
Merge pull request #402 from tarjei/patch-2

Add comment on needed format_listener rule after upgrading