Allow gedmo:slug to be overrided by attributeOverride

Merge pull request #1633 from krafas/sluggable-attribute-override

Allow gedmo:slug to be overrided by attributeOverride

Recognize "translatable" in "attribute-overrides"

Merge pull request #1632 from vbartusevicius/v2.4.x

2.4.x compatibility for PR#1631

next tag to replace 2.4.14

Merge pull request #1623 from aminin/patch-2

Add closure tree operations in 2.4.x

add closure tree functions

Merge pull request #1623 from aminin/patch-2

Add closure tree operations in 2.4.x

Maintenance release for v2.4.x

Merge pull request #1529 from dvapelnik/patch-1

[v2.4.12] php5.3.2 not supported short array definition

Maintenance release for v2.4.x

fixes some left issues when nested tree root was used as association.

Maintenance release for v2.4.x

Notable feature added is root as relation for nested set.
The development now moves to 2.5.x and 2.4 versions will be for maintenance only.