xml bool attr parse fix
Merge pull request #832 from tiagojsag/xml_boolean_fix

_getBooleanAttribute() improvement and refactored PR 831
remove unused vars
Merge pull request #844 from aidev/master

remove unused vars
Enables setting a foreign key as a unique_base for Sluggable behaviour
Fixed issue with assumption that foreign keys always points to an integer field called by getID()
Added a testcase for one-to-many relationship with two string-based join columns
Update tree.md

Removed outdate „implements Node” in Gedmo\Tree documentation
Regex issue in Urlizer class

The problem is that the caret `^` is use several times in the same regex so the caret caracter isn't catch.

`preg_replace('/[^A-Z^a-z^0-9^\/]+/', '_', 'abc^def')` return `abc^def`instead of `abc_def`
The good regex is `/[^A-Za-z0-9\/]+/`
Merge pull request #848 from Abhoryo/patch-1

Regex issue in Urlizer class
Merge pull request #847 from tomaszsobczak/patch-1

Removed outdate „implements Node” in Gedmo\Tree documentation
Fix minor typo
Fixing typo in uploadable doc
Merge pull request #854 from Lctrs/master

Fixing typo in uploadable doc
Merge pull request #852 from PowerKiKi/patch-1

Fix minor typo in doc
Merge pull request #845 from andersaloof/master

Enables setting a foreign key as a unique_base for Sluggable behaviour
cleanup blameable documentation a bit
Fix materialized getChildrenQueryBuilder method with includeNode set to
true.
Merge pull request #858 from l3l0/fix/materialized-path-repo

[Tree][MaterializedPath] Fix getChildrenQueryBuilder method for node defined without end separator
Update SoftDeleteableEntity.php

Added isDeleted method
Update SoftDeleteableEntity.php