Added test to reproduce #449.
Recreated SlugHandler
Added additional slug handler tests
Removed PHPStorm File
Merge branch 'issue_481' into treeslughandler
Merge branch 'issue_481' into treeslughandler
Added test for issue #351
Recreated SlugHandler
Added additional slug handler tests
Removed PHPStorm File
Added test for issue #351
Update tests/Gedmo/Sortable/SortableTest.php

add test for update position
Merge pull request #493 from cevou/treeslughandler

Recreated the code for creating tree slugs
added new Sluggble option - removeDoubleSlug (optional, default=false)
Sometime slugable generate ugly slugs (when used with length limit) like some-slug--2, this option provide ability to remove double slugs.
Disabled by default for BC
updated docs
Recreated RelativeSlugHandler
Better doc for slug handlers
* updated variable name to removeDoubleSeparator
Recreated relative slug handler
Update lib/Gedmo/Tree/Mapping/Driver/Yaml.php

treeParent option in YAML mapping config does not parsing